Homeostasis

What is homeostasis?

• It is the control of blood glucose levels

• It is the control of water levels in cells

• It is the control of a constant internal environment for a range of different factors

How does sweat keep us cool?

• Sweat is cool so it cools us down

• As sweat evaporates, it removes heat from the skin

• It carries heat from one part of the body to another

What is the approximate normal core temperature for the body?

• 35°C

• 37°C

• 39°C

What type of feedback is involved in thermoregulation?

• Negative

• Positive

• Neautral

What is vasodilation?

• Arterioles become narrower, increasing the flow of blood in the skin capillaries

• Arterioles become narrower, decreasing the flow of blood in the skin capillaries

• Arterioles become wider, increasing the flow of blood in the skin capillaries

Which organ is important in regulating body temperature?

• Skin

• Kidney

• Appendix

• Bladder

Which part of the brain monitors blood sugar levels, temperature and water content?

• Hippocampus

• Hypothalamus

• Hypothermus

• Hippopotamus

Which of the following does NOT need to be regulated to maintain homeostasis?

• Body temperature

• Blood pressure

• pH balance

• Blood type