muscle fibres that have striations and are under voluntary control; also called skeletal muscle

under the skin

the deepest layer of skin composed mainly of adipose tissue

gland in the dermis of the skin that secretes sweat

part of the autonomic nervous system

fainting

contraction stage of the cardiac cycle. The term applies to both atrial and ventricular contraction.

a faster than normal heart rate

rapid respiration

long thick hairs such as the whiskers in cats and dogs, that are highly sensitive to pressure and touch and which provide sensory information about the environment