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

Anatomy & Physiology

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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

Anatomy & Physiology

Maintaining good fitness is helpful in preventing an injury

Indicate whether the statement is true or false

Anatomy & Physiology

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

Anatomy & Physiology

Lysosomal enzymes degrade dysfunctional organelles by selective self-digestion known as autophagy

a. True b. False Indicate whether the statement is true or false

Anatomy & Physiology