The ovaries release estrogen and progesterone in response to gonadotropic hormones from the anterior pituitary gland
Indicate whether the statement is true or false
TRUE
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Sperm carry
A) only one X sex chromosome, exclusively. B) only one Y sex chromosome, exclusively. C) no sex chromosomes. D) two Y sex chromosomes. E) one X or one Y sex chromosome.
An increase in airway resistance and an increase in alveolar surface tension both increase the work of breathing
Indicate whether the statement is true or false
Aquaporins may be employed during:
A) simple diffusion. B) endocytosis. C) active transport. D) osmosis.
Which of the following account for why the number of bones in the adult skeleton may vary. Select all that apply.
__X__ There is a variable presence of sesamoid bones. _____ Some bones may disappear in response to mechanical stress. __X__ There is a variable number of sutural bones. _____ There are fontanels in the skull of an infant.