Chapter 33
Biology: Life on Earth with Physiology · 13 exercises
Problem 1
List the major structures of all circulatory systems and the specific functions of vertebrate circulatory systems.
2 step solution
Problem 2
Describe and compare the features of open and closed circulatory systems; include the animal groups in which they are found and some advantages and disadvantages of each.
9 step solution
Problem 3
Explain how two- and three-chambered vertebrate hearts work and in which animal groups each is found.
5 step solution
Problem 4
What is a cardiac cycle? How does it occur in a four-chambered heart?
7 step solution
Problem 5
List the three cell-based components of blood and describe the structure and principal functions of each.
4 step solution
Problem 6
Explain the sequence of events that causes the mammalian heart to beat, including the names of the structures involved.
7 step solution
Problem 7
Describe veins, capillaries, and arteries, noting their similarities and differences.
5 step solution
Problem 8
Distinguish among blood plasma, interstitial fluid, and lymph.
6 step solution
Problem 9
Explain the role of cholesterol in blocking arteries.
5 step solution
Problem 10
List the components of the lymphatic system, and describe three important functions of this system.
4 step solution
Problem 11
Explain how the sympathetic nervous system influences blood distribution and blood pressure.
5 step solution
Problem 12
Explain the significance of valves in veins.
4 step solution
Problem 13
In what way do veins and lymphatic vessels resemble one another? How are they different?
3 step solution