Unlike erythrocytes, leukocytes contain a nucleus and the usual complement of organelles, including mitochondria
Indicate whether the statement is true or false
TRUE
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The process of cell division that divides the cytoplasm of the zygote among blastomeres is called
A) cleavage. B) implantation. C) placentation. D) embryogenesis. E) blastulation.
The muscles responsible for extending the wrist and fingers are mostly found on the ______ of the forearm.
a. anterior b. posterior
Alcohol inhibits the release of antidiuretic hormone (ADH, or vasopressin) from the posterior pituitary. Determine why alcohol is a poor choice for rehydration when we are thirsty
What will be an ideal response?
Which is TRUE about the function of the aortic valve?
A. It prevents the backflow of blood into the aorta during ventricular diastole. B. It prevents the backflow of blood into the left ventricle during ventricular diastole. C. It prevents the backflow of blood into the left ventricle during ventricular ejection. D. It prevents the backflow of blood into the aorta during ventricular ejection. E. Its closure causes the first heart sound.