Biology Final Exam Sem 1 P1 - Dec 2024

Front

What happens to blood vessels when body temperature falls?

Back

Blood vessels constrict.

Front

What is the body's response when body temperature rises?

Back

Blood vessels dilate.

Front

What role do sweat glands play when body temperature rises?

Back

They secrete fluid.

Front

What is the effect of shivering on the body?

Back

It generates heat.

Front

Is the heart an involuntary muscle?

Back

True.

Front

What is homeostasis?

Back

The process by which the body maintains a stable internal environment.

Front

What is the function of the hypothalamus in temperature regulation?

Back

It acts as the body's thermostat, regulating temperature.

Front

What happens to the body during vasodilation?

Back

Blood vessels widen, increasing blood flow to the skin.

Front

What is the primary function of sweat glands?

Back

To cool the body through the secretion of sweat.

Front

What physiological process occurs during hypothermia?

Back

The body loses heat faster than it can produce it.