Select all that are true of nitric oxide.A) It is a large, polar molecule.B) It is a gas.C) It is released by postsynaptic neurons.D) It can cause smooth muscles to contract, resulting in vasoconstriction.
What will be an ideal response?
B, C
Anatomy & Physiology
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Each of the following factors affects the efficiency of pulmonary gas exchange EXCEPT:
A) diameter of an alveolus. B) surface area of the respiratory membrane. C) thickness of the respiratory membrane. D) partial pressure of carbon dioxide (PCO2 ) in the blood of the pulmonary capillaries.
Anatomy & Physiology
According to the second law of thermodynamics, when energy is transformed from one kind to another
A. some of it is converted to heat. B. some energy is destroyed. C. new energy is created. D. homeostasis is maintained. E. chemical bonds must be broken.
Anatomy & Physiology
________ cells connect photoreceptors to ganglion cells.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Where does bile enter the digestive tract?
Anatomy & Physiology