Thermoregulation

Which blood vessel is dilated?

• 1

• 2

• 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

How do the muscles affect regulation of body temperature? 

• Errector pili muscles make hair stand up
• Shivering increases heat
• Muscles do not help regulate body temperature 
• Shivering decreases heat 

Three ways you body can lose heat

• Evaporation of sweat

• Warm air exhaled out

• Hairs becoming erect

• Vasodilation

Tags

NGSS.HS-LS1-3

Your body temperature should be.....

• around 10 degrees celsius

• Around 25 degrees celsius

• around 37 degrees celsius

• around 50 degrees celsius

The region of the brain that monitors temperature is called the ____

• thermothalamus

• centigrade

• vasoconstrictor

• hypothalamus

Sweating or panting will______

• increase body temperature

• Decrease body temperature

• Have no effect on body temperature

Which blood vessel is constricted?

• 1

• 2

• 3

A student walks into a cold room.

Which of the following happens to his body?

• Sweating and vasodilation of blood vessels.

• Shivering and vasoconstriction of blood vessels

• Sweating and vasoconstriction of blood vessels.

• Shivering and vasodilation of blood vessels.

Tags

NGSS.HS-LS1-3

Which body system controls the body to maintain homeostasis?

• excretory

• nervous

• circulatory

• skeletal