Multiple Choice
The primary function of white blood cells is to
A) remove carbon dioxide from active cells.
B) clump together and stick to the blood vessel walls.
C) carry oxygen from the lungs to the body's cells.
D) carry nutrients from the digestive system to the body's cells.
E) help defend the body against pathogens.
Correct Answer:

Verified
Correct Answer:
Verified
Q47: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7571/.jpg" alt=" Figure 11-1 Components
Q48: What is the chief difference between plasma
Q49: Calcium ions and _ have an effect
Q50: In the disease mononucleosis ("mono"), the spleen
Q51: For erythropoiesis to proceed normally, protein synthesis
Q53: During red blood cell development, what is
Q54: EPO is released when<br>A) oxygen levels in
Q55: A sample of tissue from an injury
Q56: Platelets<br>A) are phagocytic.<br>B) are a major component
Q57: What is a benefit of a vascular