CHAPTER 3 COORDINATION AND RESPONSE

Animal that lick the body fur to cool the body when it is hot.

• Dog

• Cat

• Duck

Dogs mechanism to reduce body heat

• hang the tongue out

• lick the fur

• bathing in a puddle

Mechanism by animals with fur to maintain body heat during cold season

• Fur stands and erect

• Hibernating

• Shivering and moving actively

• lick their fur

Lizards do the following to maintain body temperature during winter

• Muscles function slowly

• Do not moving a lot

• Move faster

• Reduce the rate of metabolism

(a)   refers to the maintenance of the internal environment in the body of an organism.

What is the process carried out by the plant in the diagram?

(a)  

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NGSS.MS-LS2-1

Mechanism to reduce the amount of water in human's body

• Urination

• Sweating

• Feeling thirsty

• Shivering

Corrective mechanism when a healthy human stays in high temperature environment.

• Blood vessels dilate

• Body hair lie flat

• Decrease in sweat

• Less urination

Corrective mechanism when a healthy human stays in low temperature environment.

• Blood vessels constrict

• Body hair erect

• Decrease in sweat

• Skeletal muscles will contract and relax actively

(a)   control the opening and closing of stoma in a leaf.