The apex of the heart is the lowest part of the heart. Please practice handwashing and social distancing, and. The function of the apex is to regulate the contractions of the ventricles so they are welltimed to the contractions of the atrium. Free essays on sheep heart dissection lab report brainia. Sheep heart dissection lab report sheep heart dissection in this investigation, the external and internal heart structure valves of a sheep s heart organ were examined and identified by dissection. The sheeps heart was the smallest because it is the smallest animal among the three species. Position your heart in the tray so that it matches the diagram below. Place one half of the kidney on the dissection board, with its cutsurface exposed. Identify structures of the heart, such as the base,apex, and coronary arteries, and note the differences between the left and right tissues 5. Study 18 terms sheep heart dissection lab flashcards quizlet.
Anatomy sheep heart dissection sheep heart dissection grace boshart and anja stichter. Johnsons sheep heart dissection posted by stacyelambert purpose. Powered by create your own unique website with customizable templates. Rob, brian, brett, and the legacy of great tas january 29, 2014 1 introduction this lab allows you to identify and compare the size, shape and tissue type of the major anatomic landmarks of the heart and lungs. Posts about lab reports science 09 written by mohtadi786. Overall, a fetal pigs anatomy is very similar to that of humans, and other mammals for that matter. During the dissection of the sheep heart, features of the muscle were detected.
Hearts from packing houses usually come with the major blood vessels trimmed very close to. We started by locating the structures of the heart externally, such as the apex, atria, and ventricles and inserting probes in the vessels. With the exceptional heart specimen and with the included trays and pins, magnifiers, specimen storage bags, students will be sure to get the most out of their dissection lab. Before beginning the dissection of the sheep brain you will need to know the terms used to specify the location and relative location of various brain structures. To finish up the dissection of the heart, the aortic valve was. However, since each species is a different size the size of the heart and its parts should vary in size and correspond to the species size. Observations interior materials right atrium aorta observations posterior analysis flow chart analysis web tricupsid valve blood enters the right atrium through the superior and inferior vena cava blood goes through the tricuspid valve into the right ventricle sheep heart. Dissection of the sheep heart and human heart introduction the heart is a coneshaped muscular organ, about the size of your fist. Even closer is the adult pigs anatomy to the fetal pigs anatomy. We were able to apply our understanding on the hearts structure affects its physiology and see it first hand. In this investigation, the external and internal heart structure valves of a sheeps heart organ were examined and identified by dissection.
Using chapter of your textbook andor your notes and heart diagram worksheet, label the diagram of the human heart on your lab report sheet. Some key external features we found included the renal. Locate the cortex, which is the outer dark redbrown layer see figure 5. The structure that separates the left and right sides of the heart. Sheep heart conclusion jazmin morales 1 a the valves. The sheeps heart dissection physical education essay. This allowed us to better understand the anatomy of the heart, and how it functions and collaborates with the other parts of the body. Also, as you can see in the graphs the size of the heart corresponded to the size of the animal. The pig heart is very similar to a human heart, in that they both contain four chambers, and are similar in size. A lab and gloves was worn to prevent biological contamination, after the dissection the gloves were put into biological waste bins and hands were washed with antibacterial after taking off the labcoats. The valves ensures one way flow of blood by opening and closing as needed, b. Position your heart on the dissecting board matching the diagram. By studying the anatomy of a sheeps heart, you can learn about how your own heart pumps blood through your body and keeps you alive procedure observation. Dissecting the heart gave us a handson opportunity to expand our knowledge.
The purpose of my experiment is to compare the cow eye with the human eye and see the similarities and differences. The heart is a muscle in all mammalian bodies that is used to pump blood and nutrients throughout the body. Dispose of the sheep heart per your teachers instructions. The numbers next to the structures in the lab correlate with the structures on your internal heart diagram on. I was able to pull out the great cardiac vein and view how small it was. This is because it uses this extra muscle to propel the blood through the aorta to the rest of the body. Students should not walk around the lab with the dissecting instruments, in particular with a. Sheep heart dissection lab anatomy teaching resources. You will need to cut through the rest of your heart in order to identify. Obtain a sheep heart and place the heart in a dissecting tray. Performing a heart dissection sept 2016 science assist. Rubric for conclusion for fetal pig essay structureofalongbonelab integsysnotesblanks.
The strings that attach to the av cusps are called chordae tendinea. Throw out the gloves and any remaining pieces of sheep heart. If i see the structures of the cows eye, then i would be able to observe how the human eye functions. External anatomy most heart diagrams show the left atrium and ventricle on the right side of the diagram. Describe your experience handling the fetal pigwhat did it look, feel, smell like. After intense analysis of the interior of the heart, the heart has two sides, the right side of the heart received deoxygenated blood via the vena cava from the superior and inferior sides of the body. Sheep heart dissection physical education essay uk essays. Among all three species the heart serves the same purpose so therefore its anatomy should be the same. Sheep have a fourchambered heart, just like humans.
Remember, the heart is a hollow, muscular organ that pumps blood through the arteries. A sheeps heart has four chambers like most mammals including humans. Sheep heart dissection lab anatomy and physiology by the. To dissect and observe a sheeps heart in order to understand the anatomy of the human heart, to distinguish between the left and the right side of the heart and the structures of the ventricles and the atriums and to recognise the blood flow through the different types of blood vessels in the heart and its purpose. Using your notes and wonderful memory, label the diagram of the human heart on your lab report sheet. Learn how to perform a sheep heart dissection in a lab setting. Dissection of a kidney mrs scrivens virtual classroom. The heart is a muscular organ that pumps oxygenated blood and nutrients throughout the body. Answer the questions heart dissection questions label the diagram of the human heart below. Learn about the heart as an important organ in our body. Jul 30, 2014 cow heart dissection worksheet step 5.
Sheep heart dissection lab blackline 2 2 4skin protection support and locomotion. This product includes a complete lab with answer key, a dissection checklist wi. Review the outer part of the heart and make sure you know where these structures are. Scrape away any adipose tissue seen on the heart to expose and identify the coronary blood vessels with the aid of the scalpel and tweezers 4. Johnsons sheep heart dissection posted by stacyelambert. Thank you so much for being part of the betterlesson community. The left side of their heart is on their left, but since you are facing them, it is on your right. By studying a sheep heart you can learn about your own heart at the same time. The goal of the lab is not, however, just to observe anatomy but to associate structure with. The heart is a hollow organ, containing 4 chambers. The pigs heart was very similar to the human heart and made it easy to identify all of the structures. Feb 09, 2011 mohtadi786 lab reports science 09, science 09 leave a comment purpose.
Using your textbook andor your notes and heart diagram worksheet, label the diagram of the human heart on your lab report. This is the vein that if it is clogged, you have a heart attack. This is due to that fact that both humans and pigs are mammals. Sheep heart dissection dissection of the sheep heart offers students an excellent opportunity to learn about the anatomy of a mammalian heart.
During the lab, we drew diagrams of the internal and external view of the kidney. Look closely and on one side you will see a diagonal line of blood vessels that divide the heart. I got a chance to dissect a sheep brain and get up close and personal with the structure of its unique design. Sheep heart dissection lab michigan state university. More dissection practice would bring more accurate results, although i have dissected a sheeps heart more than a few times. Jan 12, 2009 free essays on sheep heart dissection lab report. By studying the anatomy of a sheep s heart, you can learn about how your own heart pumps blood through your body and keeps you alive procedure observation. Heart dissection sheep have a fourchambered heart, as do humans. Use this sheep heart dissection guide in a lab for high school students. Includes, teacher notes, reproducable lab instructions 2 pages, color picture of sheep heart.
Sheep heart dissection lab report biology junction. This sheep heart dissection lab is part of my cardiovascular circulatory system unit that covering the heart and cardiovascular system of the human body. A sheep s heart was used in this prac because like the human heart it has four chambers and is similar in size. This lab will cover 15 anatomical structures in the heart as well as 20 other discussion questions. Conclusion in conclusion, this experiment was a great learning tool to better understand the heart. Read through the analysis questions on your lab report as you should be answering them as a groups as you dissect. Before proceeding to procedure b, read through the analysis questions, as you should be answering these as you dissect the sheep heart. The kit includes enough materials for 12 setups and a dissection manual. To get a better understanding of the mammalian heart. Instead of just studying an image of a heart, this lab enabled.
Like human hearts, a sheeps heart contains two atria and two ventricles. The half that includes all of the apex of the heart is the left side. Sheep heart dissection lab for high school science hst. On the of july 2002, a sheeps heart was examined by dissection. The dissection of the sheep heart posted by shannon muskopf mrs. Also include some indication of which feature of the heart you plan to cover in the discussion section of the lab report. With each type of brain there will be differences in size, structure, and brain regions, but the general structures and their area of location are relatively the same or very similar. Introduction on the of july 2002, a sheep s heart was examined by dissection. During this lab i cut open a sheep brain and labeled all the divided structures that allow a sheep to survive and sustain life when everything worked as one. Drain the tray of water and return the tools and tray neatly to the front desk. The fetal pig smelled mostly like formaldehyde when we were dissecting it. The human heart is similar in structure and function. We dissected a heart in order to visually understand the parts of the heart, what its made of, how it works, and what it.
To examine the major features of a mammalian heart. The dissection of the sheep heart posted by shannon muskopf. To dissect and compare the anatomy of a sheep, pig, and cow heart. The chordae tendineae are anchored to the ventricular walls via papillary nipplelike muscles. The important reason for carrying out this experiment is to examine and understand. Most of the great vessels pulmonary artery, aorta, and superior vena cava emerge upward. Kidney conclusion the purpose of the sheep kidney dissection lab was to dissect a sheep kidney and identify its key structures and functions, while also relating this info to human anatomy and physiology, and relate kidney function to blood pressure control and urine formation. We were able to make connections between what we had learned about the structure and function of the heart with what we could observe on a real heart. The incision should follow the line of the right side of the heart so that you can open just the right side and see the right atrium, the right ventricle, and the tricuspid valve between them 2. Human biology general y11 sample assessment tasks wace. A sheep heart dissection can help to identify each of these different areas of the heart. The part of the heart where blood from the vena cava enters the heart. We dissected a heart in order to visually understand the parts of the heart, what its made of, how it works, and what it looks like in real life. The purpose of the sheep kidney dissection lab was to dissect a sheep kidney and identify its key structures and functions, while also relating this info to human anatomy and physiology, and relate kidney function to blood pressure control and urine formation.
By conducting a dissection of the sheeps heart the anatomy of the human heart can be explained this can be used in the medical industry to gain a better understanding of the heart in order to help treat cardiovascular diseases. A sheeps heart was used in this prac because like the human heart it has four chambers and is similar in size. Conduct a dissection of a sheep heart and write a scientific report about your dissection, as described below. Specifically, we dissected a heart, opened it and explored its different parts and functions. Imagine the heart in the body of a person facing you. Sheep heart dissection lab warren county public schools.
It is located in the mediastinum region central region of the thoracic cavity, between the lungs, and behind the sternum. Most heart diagrams show the left atrium and ventricle on the right side of the diagram. The entire lab takes an hour or so depending on clean up. Animals such as dogs, cats, pigs, sheep, primates etc. The dissection was a relative success, all the chambers, vessels and valves were identified. Since the pig heart and the human heart are so alike, you will be dissecting the pig heart in this dissection lab. By examining a heart we can learn many different things like for example, how all of its parts work together in order to make the. Mar 05, 2012 after performing the dissection my conclusion proved correct. Make a drawling of the interior of the heart and label the four chambers and any other parts you can identify. Each heart has the same function so therefore the basic anatomy of each heart was the same. Use a scalpel to make an incision in the heart at the superior vena cava.