The activation of increasing numbers of motor units is known as ________
A) motor unit recruitment
B) muscle fatigue
C) muscle tension
D) threshold stimulus
A
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The pathologist's report of the dog's intestinal biopsy revealed that the ______________________ membrane of his gastrointestinal tract was severely inflamed
Fill in the blank(s) with correct word
Chemical substances secreted by cells into the extracellular fluids and that regulate the metabolic function of other cells in the body are called ________
A) proteins B) enzymes C) antibodies D) hormones
The delicate connective tissue that surrounds the skeletal muscle fibers and ties adjacent muscle fibers together is the
A) endomysium. B) perimysium. C) epimysium. D) superficial fascia. E) periosteum.
The hepatic portal system
A. transports nutrients from the digestive tract to the liver. B. has no pumping mechanism between the capillary beds. C. allows the liver to detoxify substances entering the body through the digestive tract. D. begins and ends with capillary beds. E. All of the choices are correct.