Blood assists in defending the body against toxins and pathogens by
A) increasing the swelling of injured tissues.
B) warming the tissues immediately surrounding injury sites.
C) decreasing the pH of injured or infected tissues.
D) transporting white blood cells to injury or infection sites.
E) All of the answers are correct.
D) transporting white blood cells to injury or infection sites.
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The mechanical and chemical receptors that control digestive activity are located ________
A) in the walls of the tract organs B) in the glandular tissue that surround the organ lumen C) in the oral cavity D) in the pons and medulla
A deficiency in which neurotransmitter would cause Parkinson's-like symptoms?
A) dopamine B) norepinephrine C) serotonin D) GABA E) endorphins
Cells in a hypertonic ECF tend to lose water by osmosis
Indicate whether the statement is true or false
Thrush is a characteristic of the clinical latency stage of AIDS.
a. true b. false