Brainpop- Homeostasis

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

• 
• 
• 
• 

Tags

NGSS.HS-LS1-3

Endothermic creatures maintain fairly consistent body temperatures. Ectothermic creatures do not. What are the best synonyms for "endothermic" and "ectothermic?"

• Warm-blooded and cold-blooded

• Land-dwelling and water-dwelling

• Mammalian and reptilian

• Vertebrate and invertebrate

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

• It refers to the brain

• It refers to temperature

• It refers to feedback

• It refers to nerves and hormones

Tags

NGSS.HS-LS1-3

Place the following events in sequence: A) Your body begins overheating; B) Nerves and hormones communicate with the hypothalamus; C) You begin sweating

• B, C, A

• A, B, C

• A, C, B

• B, A, C

Tags

NGSS.HS-LS1-3

What is the major difference between positive and negative feedback?

• Positive feedback is controlled by the hypothalamus; negative feedback is controlled by the endocrine system

• Positive feedback causes bodily processes to continue; negative feedback causes bodily processes to start or stop

• Positive feedback shuts down bodily systems; negative feedback starts up of bodily systems

• Positive feedback occurs when you get too hot; negative feedback occurs when you get too cold

Tags

NGSS.HS-LS1-3

The contractions experienced by women in labor are often very painful. Yet the body's feedback system encourages them to continue when the baby is ready. Why?

• A woman's feedback system goes haywire when she goes into labor

• Though painful, the contractions help women give birth

• The feedback system also releases special hormones to kill the pain

• The baby's feedback system causes the contractions to continue, not the mother's feedback system

Tags

NGSS.HS-LS1-3

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

• You would recover much more quickly

• Your body temperature would drop to dangerous levels

• Your immune system would shut down

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

Tags

NGSS.HS-LS1-3

When do you use your excretory organs?

• When you get sick

• When you use the bathroom

• When your body gets too hot or cold

• Every time you take a breath

Which of these is an example of negative feedback?

• A pregnant woman experiencing contractions

• Your blood clotting as a cut on your arm closes up

• A dog panting in the hot sun

• Waste building up in your lower intestine

Tags

NGSS.HS-LS1-3

What might happen if your respiratory center malfunctioned?

• The oxygen level in your blood might go out of balance

• Your nostrils and other breathing passages might close up

• Your lungs might collapse

• You might start inhaling carbon dioxide instead of oxygen

Tags

NGSS.HS-LS1-3

NGSS.HS-LS1-7