Which function does the circulatory system share with the heart?
A. Transports hormones to all areas of the body
B. Exchanges nutrients and wastes with cells
C. Regulates blood pressure
D. Directs blood flow to tissues
Answer: C
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In the diagram, which panel shows cells that are in interphase?
1 A 2 C 3 F a) 1 only b) 2 only c) 3 only d) 1 and 3 e) 1, 2, and 3
Which gland secretes a fluid containing fructose?
A. Seminal vesicle B. Bulbourethral gland C. Vestibular gland D. Prostate gland E. Urethral gland
In lizards and snakes the penis is an extension of the cloaca
Indicate whether the statement is true or false
Put the following events of excitation-contraction coupling in the order in which they occur.
1. Excitation 2. Sarcomere shortening 3. Generation of muscle tension 4. Neural control 5. Contraction cycle begins 6. Release of calcium ions