What tissue type has polarity and is avascular?
A. muscle
B. connective tissue
C. nervous tissue
D. epithelium
Answer: D. epithelium
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Which vessel carries oxygenated blood from the heart to the tissues of the body?
A. Pulmonary artery B. Brachiocephalic artery C. Coronary artery D. Aorta E. Ventricular artery
What term refers to the net diffusion of water down its concentration gradient through a selectively permeable membrane?
a. phagocytosis b. pinocytosis c. osmosis d. hydrogen selectivity e. aquatic diffusion
Which somatic motor pathway is responsible for voluntary control of muscle activity?
A. Direct pathway B. Indirect pathway
Rheumatic fever causes generalized inflammation of the heart called
A) rheumatoid arthritis. B) coronary thrombosis. C) carditis. D) coronary ischemia. E) myocardial infarction.