Ovulation occurs in response to high concentrations of ____ secreted into the blood
a. estrogen
b. FSH
c. LH
d. progesterone
e. prostaglandins
C
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Answer the following statements true (T) or false (F)
1. The science of the development of an individual before birth is called neonatology. 2. Fertilization most often occurs in the outer one third of the oviduct. 3. The fertilized egg is called a morula. 4. The new individual becomes genetically complete during the blastocyst stage. 5. The blastocyst, which is a hollow ball of cells, is formed by the time the fertilized egg reaches the uterus.
Which of the following vessels will have the lowest blood pressure?
What will be an ideal response?
Which type of cell forms protein fibers in connective tissue proper?
A. Chondroblast B. Osteocyte C. Fibroblast D. Osteoblast E. Osteoclast
Sandwiched between the layer of circular and longitudinal muscle in the muscularis externa is the
A) mucosa. B) myenteric plexus. C) muscularis mucosa. D) submucosal plexus. E) submucosa.