What is taken up by the capillaries at their venous end?
A. Glucose
B. Waste products
C. Amino acids
D. Oxygen
E. Organic nutrients
Answer: B
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The proximal convoluted tubule is the portion of the nephron that attaches to the collecting duct
Indicate whether the statement is true or false
When the body is at rest, one complete cardiac cycle lasts eight seconds
a. True b. False Indicate whether the statement is true or false
Answer the following questions true (T) or false (F)
1. The autonomic nervous system carries signals to cardiac muscle, smooth muscle, and glands. 2. Neurons are responsible for sending and receiving signals referred to as action potentials while neuroglial cells serve a variety of supportive functions. 3. Bipolar neurons have one axon and one dendrite.
According to Poiseuille's law, a small decrease in the diameter of a vessel will
A. dramatically increase blood flow. B. not affect blood flow. C. slightly increase blood flow. D. dramatically decrease blood flow. E. slightly decrease blood flow.