Which of the following is NOT a function of the heart?
A. Maintains the acidity level of the blood
B. Serves as an endocrine gland
C. Creates blood pressure
D. Keeps oxygen-poor blood separated from oxygen-rich blood
Answer: A
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Which of the following is not associated with osteoarthritis?
A. Degeneration of articular cartilage B. Abnormal bone growth inside the joint cavity C. Presence of autoantibodies D. Restriction of movement E. Pain
Defensins and lysosomes are both part of ________ immunity and function as ___________
A. adaptive; physical barriers to pathogen entry B. adaptive; attackers of pathogenic cells C. innate; physical barriers to pathogen entry D. innate; attackers of pathogenic cells
Which of the following is correctly matched?
A. Second stage of labor - ends with cervix dilation to maximum B. Third stage of labor - placenta expelled from uterus C. First stage of labor - Fetus exits vagina
Both centrioles of the spermatid are found in the ________ of the mature sperm.
A) neck B) head C) tail D) middle piece E) acrosome