Explain how hormone secretion regulates the menstrual phase of the menstrual cycle. What will be an ideal response?
Concepts to Consider: During the five days of the menstrual phase, GnRH is released from the hypothalamus. This stimulates the pituitary to release FSH and LH. FSH stimulates
follicle development in the ovary. FSH also stimulates gene transcription for the enzyme
aromatase, which is important in the synthesis of estrogens
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Which of the following animals can serve as pollinators for different angiosperms? Select all correct choices
A. birds B. bees C. butterflies D. bats E. moths
The carbon source for saprobes is dead organic material
a. True b. False
Edema is a result of increased interstitial fluid in various tissues of the body. All of the following are causes of edema EXCEPT
A. injury to a limb. B. liver disease. C. abnormally low blood pressure. D. pregnancy. E. protein malnutrition.
The structure labeled "C" is the ____
a. trunk of the pulmonary arteries b. left atrium c. left ventricle d. right atrium e. right ventricle