Biology 5.1.6

Question 1

Define ‘Thermoregulation’:

Answer 1

The Process of your Body Maintaining Body Temperature.

Question 2

What is the Optimum Temperature for Enzymes in the Human Body?

Answer 2

~37’C.

Question 3

What is Body Temperature Monitored & Controlled by?

Answer 3

The Thermoregulatory Centre in the Brain.

Question 4

The Thermoregulatory Centre Contains ___ Sensitive to the Temperature of the Blood.

Answer 4

Receptors.

Question 5

The Skin Contains Temperature ___, & sends Nervous Impulses to the Thermoregulatory Centre.

Answer 5

Receptors.

Question 6

What happens to Blood Vessels if the Body Temperature is too High?

Answer 6

They Dilate. Vasodilation.

Question 7

What is Produces when Body Temp. Rises?

Answer 7

Sweat is Produced from the Sweat Glands.

Question 8

How does Sweat help the Body to Lose Heat?

Answer 8

It Traps Heat on the Skin’s Surface, & Evaporates, so the Heat leaves the Body.

Question 9

What happens to the Blood Vessels if the Body Temperature is too Low?

Answer 9

They Constrict. Vasoconstriction.

Question 10

What happens on your Skin when it is too Cold?

Answer 10

Goosebumps- Hairs stand up. To try and Capture as much Warm Air as Possible.