Worksheet 15 Leader: Umair
Course: Biology 212 (3)
Supplemental Instruction Instructor: Mayfield
Iowa State University Date: 03/31/2011
Animal Circulation & Gas Exchange
Open circulatory system
Venule
Closed circulatory system
Blood pressure
Lymph
Systolic pressure
Atrium (heart)
Diastolic pressure
Ventricle (heart)
Hemoglobin
Pulmonary
Blood plasma
Systemic
Platelets
Vein
Centrifuge
Artery
Stem cell
Capillary
Lungs
Aorta
Bronchiole (lungs)
Vena cava
Alveoli (lungs)
Cardiac cycle
Residual volume (lungs)
Pacemaker (SA node)
Partial pressure
Arteriole
Supplemental Instruction
1060 Hixson-Lied Student Success Center 294-6624 www.si.iastate.edu
1. Understand the mammalian cardiac cycle
2. What is the cardiac SA node? What does it do?
3. What are differences between veins and arteries?
4. Why is blood pressure lower in veins than in arteries?
5. What are the diastolic and systolic pressures?
6. What are capillaries and what are their functions?
7. What is the relationship between blood and lymph?
8. What are the cellular constituents of blood?
9. Where do blood cells originate in the body?
10. What is a blood clot? What is it made of?
11. What is anemia?
12. What is leukemia?
13. What is residual volume?
14. How is partial pressure defined?
15. Why is it important for understanding gas exchange?
16. How are gasses exchanged between blood and air in lungs?
Supplemental Instruction
1060 Hixson-Lied Student Success Center 294-6624 www.si.iastate.edu
Supplemental Instruction
1060 Hixson-Lied Student Success Center 294-6624 www.si.iastate.edu