Homeostasis and Feedback Amoeba sisters video recap

What is homeostasis?

• A state of balance in the body

• A lizard that can regulate its body temperature

• A lizard that can't regulate its body temperature

• A state of imbalance in the body

Tags

NGSS.HS-LS1-3

Which of the following is an example of homeostasis?

• Maintaining a stable blood glucose level

• Having a pet bearded dragon

• Sitting on the couch and watching TV

• Using a bearded dragon leash

Tags

NGSS.HS-LS1-3

What is the term for an animal that can regulate its body temperature with the environment?

• Cold-blooded

• Warm-blooded

• Ectotherm

• Endotherm

What is an example of negative feedback?

• Sweating to cool down in hot weather

• Shivering to generate heat in cold weather

• Increasing blood glucose levels when they are low

• Decreasing blood glucose levels when they are high

Tags

NGSS.HS-LS1-3

What hormone is released when blood glucose levels are too high?

• Insulin

• Glucagon

• Adrenaline

• Estrogen

Tags

NGSS.HS-LS1-3

What is an example of positive feedback?

• Sweating to cool down in hot weather

• Shivering to generate heat in cold weather

• Increasing contractions during childbirth

• Decreasing blood glucose levels when they are high

Tags

NGSS.HS-LS1-3

What is the purpose of understanding feedback?

• To maintain homeostasis

• To regulate blood glucose levels

• To monitor body temperature

• To give insulin to Type 1 diabetics

Tags

NGSS.HS-LS1-3

What is one issue that can occur in Type 1 diabetes?

• Insulin is not produced

• Glucagon is not produced

• Blood glucose levels are too low

• Cells cannot take in glucose

Tags

NGSS.HS-LS1-3

What is the role of insulin in the body?

• To make cells take in glucose

• To make cells release glucose

• To dilate blood vessels

• To constrict blood vessels

Tags

NGSS.HS-LS1-7

What is the main purpose of negative feedback?

• To counteract a variable and maintain stability

• To intensify a variable and create imbalance

• To regulate blood glucose levels

• To generate heat in cold weather

Tags

NGSS.HS-LS1-3