Melanopsin and melatonin are produced by the pineal gland

Indicate whether the statement is true or false


F

Anatomy & Physiology

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Precapillary sphincters will

A. close when the tissue's needs have been met. B. control blood flow into the true capillaries. C. open when the tissue needs nutrients. D. cause blood to flow directly from the metarteriole into the postcapillary venule. E. All of the answers are correct.

Anatomy & Physiology

A chemical messenger that does not directly cause ESPSs or IPSPs but does affect the strength of synaptic transmission is a ________

Fill in the blanks with correct word

Anatomy & Physiology

Reactive hyperemia is

A) lack of blood flow due to an allergic reaction. B) reflex contraction of smooth muscle in response to stress. C) increased blood flow following a period of reduced blood flow. D) increased blood pressure after stress. E) None of the answers are correct.

Anatomy & Physiology

What is/are the function(s) of the organ system labeled #3?



A) help control body temperature
B) provides support; produces heat
C) provides support; protects tissues; stores minerals
D) directs immediate responses to stimuli
E) defends against infection and disease

Anatomy & Physiology