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

Tags

NGSS.HS-LS1-3

Homeostasis

• allows for a wildly fluctuating internal environment

• is impossible in vertebrates

• is the maintenance of the internal environment in the body of organisms, to be in a balanced and stable condition.

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

• False

• True

Homeostasis refers to the maintenance of ______________ in the body of an organism.

• internal environment

• external environment

When the body temperature increases, the control centre at the ________ will detect the changes.

• brain

• nerve

A ______________ will take place and the temperature will reduce to its normal range.

• corrective mechanism

• respiration system

• blood circulation system

• nervous system

Homeostasis is important to humans and living things.

• Agree

• Disagree

Tags

NGSS.HS-LS1-3

System that involved in water regulation and regulation of body temperature are ______ and_______

• Endocrine system

• Respiratory system

• Excretory system

• Muscular system

The condition of skin layer during higher surrounding temperature are ....

• Hair stand erect

• Hair lie flat

• Blood vessel dilate

• More sweat

• Blood vessel constrict

During lower surrounding temperature, blood vessel _____________ to let more blood flow away from the skin to reduce heat loss.

• constrict

• dilate