Control of Body Temperature

What happens when body temp is too low?

Blood vessels constricts

What’s the another term for the blood vessels constricting?

Vasoconstriction

What happens when vasoconstriction occurs?

Sweating stops and skeletal muscles contact, causing shivering and makes the body temperature to rise.

What happens when body temperature rises or falls?

It returns back to the thermoregulatory centre.

What happens when body temp is too high?

Blood vessels dilate

What’s another term for the blood vessels dilating?

Vasodilation

What happens when vasodilation occurs?

Sweat produced from the sweat glands and energy’s transferred from skin to environment, so body temp falls.

What does the thermoregulatory centre in the brain do?

It monitros and controls the body temperature.

What does the centre contain?

Receptors that are sensitive to the blood temperature.

What does the skin contain and what does it do?

Temperature receptors and sends nervous impulses to the thermoregulatory centre.