The serous fluid within the pericardial cavity works to
A. lubricate membranes of the pericardium.
B. slow the heart rate.
C. equalize the pressure in the great vessels.
D. eliminate blood pressure spikes.
E. All of the choices are correct.
A
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a) myofibrils. b) myoglobin. c) mitochondria. d) Z discs. e) M lines.
Cells which contain large numbers of mitochondria and large amounts of smooth endoplasmic reticulum are most likely ________.
A. bone cells B. lung cells C. skeletal muscle cells D. bladder cells
Which of the following nerves supplies a muscle that turns the head to the opposite side?
A. Hypoglossal B. Vagus C. Ansa cervicalis D. Spinal accessory E. Facial
During which stage of sexual response does the prostate and seminal vesicles add their secretions to semen?
A. Resolution B. Ejaculation C. Emission D. Arousal