Erection is a vascular phenomenon that involves decreased sympathetic and increased parasympathetic activity to the penile arterioles, resulting in arteriolar vasodilation and filling of the erectile tissue with blood
Indicate whether the statement is true or false
T
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Myelin
A. is released from a neuron and travels to another neuron. B. is produced in response to bacterial infection. C. is a form of chromatophilic substance that fills Schwann cells. D. consists of layers of lipids and proteins that wrap around an axon.
The gallbladder is part of the gastrointestinal tract
Indicate whether this statement is true or false.
The correct sequential transport of O2 from the tissue capillaries to O2 consumption in cells is:
plasma, erythrocytes, alveoli, cells erythrocytes, interstitial fluid, plasma, cells lung, alveoli, plasma, erythrocytes, cells erythrocytes, plasma, interstitial fluid, cells none of the choices are correct
Which of the following descriptions best matches the term bronchiolar smooth muscle?
A) accessory muscle of expiration B) accessory muscle of inspiration C) primary muscle of inspiration D) contraction increases airway resistance E) affects lung compliance