Which term best describes the function of blood when considering the presence of leukocytes and antibodies?
A. Regulation
B. Prevention
C. Protection
D. Transportation
C
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Contraction of these muscles depresses the ribs, but only during forced exhalation
A. External intercostals B. Scalenes C. Transversus thoracis D. Internal intercostals E. Serratus posterior inferior
The femorotibial and femoropatellar joint of quadrupeds is the:
A) stifle joint B) knee C) elbow D) patella
Metabolically, cardiac muscle relies on
A. aerobic metabolism using glycolysis of glycogen to meet most ATP demands. B. anaerobic metabolism using myoglobin, creatin kinase, and ketone bodies. C. anaerobic metabolism using glycolytic enzymes to quickly generate ATP. D. aerobic metabolism using many mitochondria and a rich supply of myoglobin.
A motor unit is defined as _______.
A) a nerve and a muscle B) the axon terminals of a single motor neuron and all of the muscle fibers that it stimulates C) a single neuron and a single muscle fiber D) a single muscle fiber and all its axon terminals