Which of the following is true regarding unmyelinated nerve fibers in the PNS?
A. Satellite cells cluster around each axon to form a pseudo-myelin sheath.
B. A Schwann cells wraps its plasma membrane around each individual fiber as it does with myelinated fibers.
C. A Schwann cell folds its plasma membrane around several fibers.
D. An oligodendrocyte cells wraps its plasma membrane around each fiber as it does with myelinated fibers.
Answer: C
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The primary osmoreceptors are located in the
A) kidney. B) stomach. C) pons. D) hypothalamus. E) medulla.
The ______________ of the subcutaneous layer acts as a heat insulator
Fill in the blank(s) with correct word
Glucagon
a. decreases blood glucose levels b. increases breakdown of fats c. increases glycogenesis in the liver d. increases amino acid uptake by cells e. increases Ca2+ reabsorption by the renal tubules
When a car burns gasoline, the majority of the gasoline's chemical energy is transformed to sound and heat.
Answer the following statement true (T) or false (F)