Homeostasis

Homeostasis

You will be able to describe how your body maintains stable internal conditions through homeostasis.

Open Ended

Describe what happens to your body when you get cold.

When you get cold many systems work together to warm you up.

Integumentary system-You skin feels the change in temperature.

Nervous system- Nerves in your skin send signals to the brain telling you that it is too cold.

Muscular system-Your muscles contract to make goosebumps and you shiver creating heat.

Match

Match the following system to how it controls body temperature

• nervous

• integumentary

• muscular

sends signals to brain

skin feels changes in temperature

goosebumps form and your body shivers

• sends signals to brain

• skin feels changes in temperature

• goosebumps form and your body shivers

Multiple Choice

Predict: What does your body do if it is too hot?

• shivers

• sweats

Watch the following video on homeostasis, then answer the questions that follow.

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Multiple Choice

Which of the following animals has a body temperature that doesn't change depending on the weather outside?

• lizard

• dog

• snake

Multiple Choice

What can you infer about the prefix "thermo-" from the word "thermoregulation?"

• it refers to the brain

• it refers to temperature

• it refers to feedback

Reorder

Reorder the following

• Your body begins overheating

• Nerves and hormones communicate with the hypothalamus

• You begin to sweat

1

2

3

• 1
• 2
• 3

Multiple Choice

What might happen if you didn't run a fever when you got sick?

• You would recover much more quickly

• Your temperature would drop to dangerous levels

• Your body wouldn't fight the infection as efficiently as it could

Multiple Choice

When do you use your excretory organs?

• When you get sick

• When you go to the bathroom

• When you take a breath

Multiple Choice

Which of the following is an example of negative feedback?

• A dog panting in the hot sun

• A pregnant woman experiencing contractions

• Waste building up in your intestines

Multiple Choice

What does it mean to maintain balance or homeostasis?

• Controlling what happens in the world around you.

• The controlling and maintaining of the internal environment of an organism.