For elbow flexion,
A. biceps brachii is the agonist and triceps brachii is the antagonist.
B. biceps brachii is the antagonist and triceps brachii is the agonist.
C. triceps brachii is the synergist and biceps brachii is the antagonist.
D. deltoid is the agonist and biceps brachii is the synergist.
E. biceps brachii is the synergist and triceps brachii is the agonist.
A
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Skeletal muscles help maintain body temperature in that
A) excess myosin is quickly metabolized to yield heat. B) they conserve actin and myosin in cold weather. C) the more active they are, the more heat is released. D) the more active they are, the more heat is used up.
A shallow depression on the surface of a bone is called a ________.
A) tuberosity B) trochanter C) fossa D) foramen E) tubercle
Describe the structure of a photoreceptor
What will be an ideal response?
An increased secretion of watery saliva will result when the
A. basal nuclei of the cerebrum activate somatic pathways to salivary glands. B. glossopharyngeal nuclei of the pons activate somatic and sympathetic pathways to the salivary glands. C. salivary nuclei of the cerebrum activate sympathetic pathways to salivary glands. D. basal nuclei of the brainstem activate sympathetic pathways to salivary glands. E. salivary nuclei of the brainstem activate parasympathetic pathways to salivary glands.