Receptors that relay thermal information to the temperature control centers include
a. peripheral warm and cold thermoreceptors in the skin
b. central thermoreceptors in the hypothalamus
c. central thermoreceptors in internal organs
d. both a and c
e. all of the above
E
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Upon leaving the renal pelvis, urine passes directly into a ureter.
Answer the following statement true (T) or false (F)
The ________ provides most of the Ca2+ needed for myocardial contraction
A) cytoskeleton B) mitochondria C) Golgi apparatus D) sarcoplasmic reticulum E) extracellular fluid
Exocrine glands that secrete a watery solution that usually contains enzymes are called
A) endocrine glands. B) serous glands. C) mixed exocrine glands. D) mucous glands. E) None of the answers are correct.
What is the principal cation of the ECF?
A. K+ B. Cl- C. Pi D. Na+ E. Ca2+