Chapter 3 Coordination & Response (Homeostasis)

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

• Dog

• Cat

• Duck

• Snail

Dogs mechanism to reduce body heat.

• hang the tongue out

• lick the fur

• bathing in a puddle

• flap their ears

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 THREE actions to maintain body temperature during winter:

• Muscles function slowly

• Do not moving a lot

• Move faster

• Reduce the rate of metabolism

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

• Urination

• Sweating

• Feeling thirsty

• Shivering

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

• Transpiration

• Perspiration

• Respiration

• Inspiration

_____________ refers to the maintenance of the internal environment in the body of an organism in a stable manner.

• Homeostasis

• Sitting

• Standing

• Coordination

THREE 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 (shiver)

• Sweat more

___________ control the opening and closing of stoma in a leaf.

• Guard cells

• Root hair cells

• Palisade cells

• Epidermal cells