The process that occurs during prophase I, during which tetrads are formed, is known as ________.
Fill in the blank(s) with the appropriate word(s).
synapsis
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The ________ phase of gastric secretions occurs when food enters the stomach
Fill in the blanks with correct word
Which of the following is not a common characteristic shared by blood and lymph capillaries?
a. They are microscopic. b. They have a layer of endothelium. c. They have tight-fitting cells in the endothelial layer. d. All of the above characteristics are shared by blood and lymph capillaries.
List the blood vessels that a drop of blood will pass through as it leaves the head and travels toward the heart: 1. External jugular vein 2. Anterior vena cava 3. Subclavian vein 4. Brachiocephalic vein
A) 1, 3, 4, 2 B) 1, 2, 3, 4 C) 1, 4, 2, 3 D) 1, 4, 3, 2
Vasodilation of blood vessels to the kidneys is due to ________.
a) more frequent action potentials b) less frequent action potentials