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Bio/100 Appendix E Comparing Physiology Worksheet

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Bio/100 Appendix E Comparing Physiology Worksheet
Associate Level Material
Appendix E

Comparing Physiology Worksheet

In this assignment you describe and compare the circulatory, skeletal, and respiratory systems of sharks, iguanas, eagles, and humans. Answer each of the following questions in 25 to 50 words.

Circulatory System

* Shark

* How would you describe the structure and function of this animal’s circulatory system? Include any unique characteristics. A shark’s heart is a two-chambered S-shaped tube, small in proportion to body size located in the head region.

* How does this animal’s circulatory system work?
The blood is pumped by the heart through the afferent bronchial arteries to capillaries in the gills, where the blood is oxygenated). The blood then flows through efferent bronchial arteries, through the tissues of the body, and back to the heart in veins. To circulate blood throughout their bodies, many sharks must swim continuously.

* Iguana

* How would you describe the structure and function of this animal’s circulatory system? Include any unique characteristics. Iguanas have 3 chambers, 2 atria and only one ventricle that keep oxygenated blood from mixing with de-oxygenated blood.

* How does this animal’s circulatory system work?
Iguanas have double circulation systems in which their blood passes through the heart twice. Blood flows from the heart to the lungs, back to the heart and then out to the body tissues before returning again to the heart.

* Eagle

* How would you describe the structure and function of this animal’s circulatory system? Include any unique characteristics. four chambered heart, 2 atria and 2 ventricles

* How does this animal’s circulatory system work?
‘The avian circulatory system’, which transports nutrients, oxygen and carbon dioxide, waste products, hormones, and heat throughout their body. The right ventricle drains blood to the lungs as the left, the walls of which are thicker and more muscular, pumps
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