Thermoregulation

Which of the following ISN'T a form of behavior-based regulation?

• Turning on the air conditioning

• Putting on a jacket

• Shivering

• Drinking a warm drink like coffee or hot chocolate

Which set of organisms are able to survive with lower amounts of food?

• Endotherms

• Ectotherms

Which of the following is an ectotherm?

• 
• 
• 
• 

Which ISN'T an endotherm?

• Panda

• Penguin

• Kangaroo

• Crocodile

The term for maintaining an internal temperature is _______.

• thermoregulation

• thermometer

• homeothermal

• homeostasis

In what are three ways does your body lose heat?

• Evaporation of sweat

• Warm air exhaled out

• Hairs becoming erect

• Vasodilation

Why is the human body's core temperature 37^oC?

• Optimum temperature for enzymes

• No specific reason

• To limit the enzymes rate of reaction

• It's not 37^oC

Tags

NGSS.HS-LS1-3

If the environment gets cold, we will often shiver in order to _______.

• keep body temperature the same as the external temperature

• decrease body temperature

• increase body temperature

• regulate blood pressure

True or False?

When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.

• True

• False

What is the term to describe blood vessels near the surface of the body loosening up to release heat?

• Vasoconstriction

• Vasodilation