Controlling Body temperature

Question 1

What is the optimum temperature for enzymes in the body and the temperature the body has to keep its insides around.

Answer 1

37 ^ o C

Question 2

Why must body temperature be kept constant ?

Answer 2

1. The body has to balance the amount of energy gained ( e.g through respiration) and lost to keep the core body temperature constant.
2. There is a thermoregulatory centre in the brain, which contains receptors that are sensitive to the temperature of the blood flowing through the brain.
3. The thermoregulatory center also receives impulses from the temperature receptors in the the skin, giving information about skin temperature.

Question 3

What is fore body temperature?

Answer 3

The temperature inside your body where your internal
organs are.

Question 4

What happens when body temperature is too high?

Answer 4

1. Temperature receptors detect that corse body temperature is too high.
2. The thermoregulatory center acts as a coordination centre - it receives information from the temperature receptors and trigger the effectors automatically. - e.g the sweat glands produce a response and counteract the change.