Following childbirth, ____ stimulates milk production in the mammary glands
a. estrogen
b. testosterone
c. progesterone
d. prolactin
d
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Immunocompetence ________.
A) occurs in one specific organ of the adaptive immune system B) is the ability of individual cells to recognize a specific antigen by binding to it C) prevents intercellular communication so that only specific cell types respond to the invader D) requires exposure to an antigen
The corticospinal system controls fine, discrete, voluntary body movements
Indicate whether the statement is true or false
Which of the following body systems is not involved in capturing or creating energy that is used to maintain one's metabolism?
A) digestive B) lymphatic C) integumentary D) cardiovascular E) muscular
Define chemotaxis
A) Chemotaxis is the process of a phagocyte leaving a capillary by squeezing between adjacent endothelial cells. B) Chemotaxis is the attachment of the phagocyte to its target. C) Chemotaxis is the phagocyte movement in response to chemical stimuli. D) Chemotaxis is the destruction of the target by the phagocyte. E) Chemotaxis is the release of digestive chemicals by the phagocyte when the target is too large to be engulfed.