A famous marathon runner has been having trouble conceiving, and her doctor has advised taking a break from the sport -- why?
A. Excessive exercise can lower gonadotropin-releasing hormone (GnRH) levels, disrupting ovulation.
B. The shaking movement that running produces can prevent implantation of the embryo.
C. Excessive exercise can raise humen chorionic gonadotropin (hCG) levels, disrupting ovulation.
D. High body temperatures are disruptive to oocyte production, which normally form at 34°C.
A. Excessive exercise can lower gonadotropin-releasing hormone (GnRH) levels, disrupting ovulation.
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The condition in which athletes develop herpes lesions on their skin as a result of coming in contact with herpes lesions during wrestling is known as herpes (gladiatorum/whitlow/zoster).
Fill in the blank(s) with the appropriate word(s).
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Pollen grains are formed in ________ and ova are formed in ________.
A. receptacles; peduncles B. petals; corolla C. sepals; calyx D. stamens; carpels E. pistil; stamens