The ________ is the area of gray matter that surrounds the central canal.
Fill in the blank(s) with the appropriate word(s).
gray commissure
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Cardiomyopathy is:
A) heart enlargement B) decreased heart size C) ischemia to the heart muscle D) deoxygenation of the heart E) disease of the heart muscle
The concentration of salt (NaCl) in the extracellular fluid is the same as the concentration of salt in the intracellular fluid
Indicate whether the statement is true or false
Peeper frogs freeze during the winter. As they begin to freeze, their livers break down glycogen and release glucose into the blood, which can then be taken up into cells. This provides a benefit to the frog in that
a. plasma glucose acts as a cryoprotectant by lowering the freezing point of the extracellular fluid. b. cellular glucose acts as a cryoprotectant by lowering the freezing point of the intracellular fluid. c. cellular glucose is readily available for glycolysis once the frog thaws. d. all of these. e. none of these.
Which of the following structures contains oocytes?
a. Testes b. Ovaries c. Uterus d. Vagina e. Primary follicles