Secretion of insulin causes
A. a decrease in the permeability of cell membranes to glucose.
B. an increase in the breakdown of glycogen to release glucose.
C. an increase in the concentration of blood glucose.
D. a decrease in the concentration of blood glucose.
Answer: D
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The junction of the ductus deferens ampulla and the base of the seminal gland marks the start of the ________.
Fill in the blank(s) with the appropriate word(s).
An epiphyseal plate is an example of a __________.
a) synchondrosis b) syndesmosis c) symphysis d) gomphosis
Which of the following statements is incorrect?
A) The contractions of skeletal muscles pull on tendons and move bones of the skeleton. B) Skeletal muscles store nutrient reserves. C) Skeletal muscles are responsible for the pumping action of the heart. D) Skeletal muscles support the weight of some internal organs. E) Skeletal muscle contractions help maintain body temperature.
Dendritic cells of the skin are derived from
A. T-lymphocytes. B. neutrophils. C. macrophages. D. monocytes. E. B-lymphocytes.