Statocysts are sensory organs used to perceive
a. consciousness, or state of being.
b. an organism's orientation in space.
c. surface hardness.
d. none of the above.
B
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There are three gluteal muscles. Select the one that is correctly matched with its primary action
A. Gluteus medius: abducts the thigh B. Gluteus maximus: abducts the thigh C. Gluteus minimus: rotates the thigh
Maintaining good fitness is helpful in preventing an injury
Indicate whether the statement is true or false
Lysosomal enzymes degrade dysfunctional organelles by selective self-digestion known as autophagy
a. True b. False Indicate whether the statement is true or false
A threshold potential is
a. the potential achieved when two opposing forces acting upon an ion (concentration and electrical gradients) achieve a state of equilibrium b. the peak potential achieved during an action potential c. the point at which there is an explosive increase in Na+ or Ca2+ permeability d. the potential at which K+ permeability increases e. always a positive potential