The sheep heart is an excellent specimen to use for comparative human anatomy in both size. The human brain is rounded, whereas the sheeps brain is elongated in shape. Sheep heart dissection mbusd internet usage disclaimer. Sheep heart dissection lab for high school science hst. 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. Access free sheep heart dissection answers sheep heart dissection answers sheep heart structures external and internal sheep heart anatomy. Prevents backflow of blood into left atrium when left ventricle pumps blood to body 3. Sheep heart dissection procedure day 2 you will be cutting the heart open today. By studying the sheep s anatomy, you can learn how your own heart pumps blood through your body, thereby keeping you alive. 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.
Procedure day 1 you will not cut the heart open today. A sheep s heart has four chambers like most mammals including humans. Anterior view aorta pu monary artery base pulmonary veins. By examining a heart we can learn many different things like for. The heart is a muscular organ that pumps oxygenated blood and nutrients throughout the body. Use a scalpel to make an incision in the heart at the superior vena cava. Sheep heart identification checklist doc or pdf for. Heart dissections are conducted to explore the function of a heart by examining. Nau bio 202 lab 3 sheep heart dissection this is a guide to help students at northern arizona university to dissect a sheep heart and know basic anatomy and physiology.
Review the outer part of the heart and make sure you know where these structures are. Posterior view superior vena cava interventricular septum. Use this sheep heart dissection guide in a lab for high school students. Aorta pulmonary art superior view superior vena cava pulmonary veins. Performing a heart dissection sept 2016 science assist. The procedure must be completed according to the safety elements of the lab manual. The human brain and sheep brain have the major difference that humans can think, write, invent or create with their brains, whereas sheep cannot. Show this to your teacher before you make the incision. Lab guide outlining the procedure for dissecting the sheeps heart. Sheep have a fourchambered heart, just like humans. Internal view aorta right atrium pulmonary atrium ventricle right. Sheep heart dissection lab report biology junction. It includes photos to diagram where major vessels are and where incisions should be made. You are using brand new scalpels in this lab so please be extra cautious and as a.
165 950 875 567 485 34 623 1305 1088 745 893 200 1603 859 750 279 1496 78 1452 1282 567 886 349 1148 374 1194 1283 962 647 414 1303 739