Just prior to menses,
A) ovulation occurs.
B) a new uterine lining is formed.
C) secretory glands and blood vessels develop in the endometrium.
D) estrogen and progesterone levels drop.
E) the corpus luteum is formed.
D) estrogen and progesterone levels drop.
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The three primary germ layers are the endoderm, __________, and ectoderm.
Fill in the blank(s) with the appropriate word(s).
Following an automobile accident, a broken rib penetrates into the pleural cavity causing blood to accumulate in the space between the visceral and parietal pleura. What condition is this?
A. Hemothorax B. Pneumothorax C. Tension pneumothorax D. Cystic fibrosis E. Atelectasis
The largest internal cellular structure is known as the ______ and is the cell's control center
A. Golgi apparatus B. nucleus C. lysosome D. cytosol E. smooth ER
The inferior rectus muscle is located inferior to the eye and rotates the eye down. This muscle would be controlled by the:
a. trochlear nerve b. abducens nerve c. oculomotor nerve d. opthalmic nerve