The head is ____ to the heart
a. superior
b. distal
c. deep
d. inferior
a
You might also like to view...
Relaxation is facilitated by the release of passive tension that developed in cablelike __________ proteins that were compressed during contraction
Fill in the blank with correct word.
The major source of energy for muscles is ______________________________.?
Fill in the blank(s) with correct word
The receptors that can provide information on urinary bladder volume and trigger the urination reflex are:
A) baroreceptors. B) chemoreceptors. C) tactile receptors. D) pressure receptors. E) free nerve endings.
Drugs called calcium channel blockers may be used to lower blood pressure by causing arteries to vasodilate. How do you suppose these drugs work?
A) They stimulate the calcium pump in smooth muscle, thus removing calcium from the calmodulin. B) They prevent calcium from exiting the sarcoplasmic reticulum in skeletal muscle. C) They prevent calcium from entering the sarcoplasmic reticulum of smooth muscle. D) They prevent calcium from entering smooth muscle, thus allowing the muscle to relax. E) They prevent calcium from entering cardiac muscle, thus slowing down the heart rate.