The veins leading from the lungs to the heart are the ________ veins.
Fill in the blank(s) with the appropriate word(s).
pulmonary
The veins leading from the lungs to the heart are the pulmonary veins.
Biology & Microbiology
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Which of the following junctions permits ions and small molecules to pass from the cytoplasm of one cell to another?
a. gap b. tight c. cell d. adhering
Biology & Microbiology
At a neuromuscular junction, the neurotransmitter released by the motor neuron is ________
a. epinephrine b. acetylcholine (ACh) c. serotonin d. dopamine
Biology & Microbiology
The term for mechanical injury to the seed coat that induces germination is:
a. imbibition. b. scarification. c. bolting. d. vernalization. e. thigmomorphogenesis.
Biology & Microbiology
What completes preparation of uterus for pregnancy?
A. LH B. FSH C. Prolactin D. Testosterone E. Progesterone
Biology & Microbiology