what does the hypothalamus control
What will be an ideal response?
hunger and thirst, control body temp, controls the autonomic nervous system
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The respiratory pump assists blood movement within the veins of the trunk, because as a person inspires,
A. intra-abdominal and intrathoracic pressure both increase. B. intra-abdominal and intrathoracic pressure both decrease. C. intra-abdominal pressure increases and intrathoracic pressure decreases. D. intra-abdominal pressure decreases and intrathoracic pressure increases.
Parasympathetic innervation to the heart
a. is the vagus nerve. b. decreases the rate at which spontaneous action potentials are initiated in the SA node. c. decreases the strength of ventricular contraction. d. both (a) and (b) above. e. all of these answers.
Which of the following would you expect to have the lowest resting heart rate?
A) a trained athlete B) an unconditioned adult C) a person with heart failure D) a teenager with a sedentary lifestyle E) an 80-year-old woman
Damage to the gray rami communicantes would interfere with the transmission of impulses from the sympathetic postganglionic neruons and their effector organs.
Answer the following statement true (T) or false (F)