thermoregulation

Core body temperature

________ is maintained at a constant 37 degrees.

irregular heart

Severe hypothermia can cause unconsciousness weak and ________ beat, confusion.

Evaporation

________- change of state from a liquid to a gas requires energy.

sodium ions

Sweating, exocrine sweat glands secrete sweat which is mainly water but contains ________ and small amount of urea.

Hyperthermia

________ is a core temperature of 35- 32 degrees or lower.

Convection

________- air movement can add or remove heat to the body.

Body temperature

________ changes when wet or in water because water is a very poor conductor of heat.

Adrenaline

________ releases produces a temporary increase in metabolic rate.

Vasodilation of vessels

________ supplying capillaries in the skin increasing the blood supply to the surface of the skin.more heat is lost to the environment.

Radiation

________- the body will ________ heat if the environment is cooler than the body or gain heat from a hot environment.

metabolic rate

An increase in ________ will increase the rate of heat production.

Body temperature

________ in excess of 43 degrees, hyperthermia is rapidly fatal as brain cells die.