LC Homeostasis Quiz

What is the primary function of homeostasis in humans?

• To increase external temperature

• To maintain a constant internal environment

• To regulate external factors

• To change body shape

Which organ is primarily involved in regulating body temperature?

• Liver

• Heart

• Skin

• Lungs

What is the role of the kidneys in homeostasis?

• Regulating blood pressure

• Osmoregulation

• Producing hormones

• Digesting food

What is thermoregulation?

• The process of digestion

• The maintenance of a constant internal temperature

• The regulation of blood flow

• The production of energy

What is an endotherm?

• An animal that changes color with temperature

• An animal that maintains its body temperature independent of the environment

• An animal that hibernates in winter

• An animal that varies its body temperature with the environment

What is the function of vasodilation in thermoregulation?

• Decrease blood flow to the skin

• Increase blood flow to the skin

• Increase heart rate

• Decrease body temperature

What happens during vasoconstriction?

• Blood flow to the skin increases

• Blood flow to the skin decreases

• Heart rate increases

• Body temperature rises

What is the largest organ in the human body?

• Heart

• Liver

• Skin

• Brain

What is the function of piloerection?

• To cool the body

• To trap a layer of warm air along the skin

• To increase sweating

• To decrease blood flow

Which of the below is a function of of sweating?

• To increase body temperature

• To get rid of waste products

• To decrease heart rate

• To increase blood pressure