Homeostasis and Feedback

What is homeostasis?

• A state of balance in the body

• A lizard's ability to regulate body temperature

• The process of sweating to cool down

• The regulation of blood sugar levels

Tags

NGSS.HS-LS1-3

Which term is used to describe animals like Debbie the bearded dragon?

• Cold-blooded

• Warm-blooded

• Ectotherm

• Endotherm

What is negative feedback?

• A response that intensifies a variable

• A response that counteracts a variable

• The regulation of blood sugar levels

• The process of sweating to cool down

Tags

NGSS.HS-LS1-3

What happens when your body is in a hot environment?

• Sweat glands stop producing sweat

• Blood vessels constrict to conserve heat

• Muscle contractions generate heat

• Sweat glands produce more sweat

Tags

NGSS.HS-LS1-3

What hormone is released when blood sugar is too high?

• Insulin

• Glucagon

• Adrenaline

• Estrogen

Tags

NGSS.HS-LS1-3

What is positive feedback?

• A response that intensifies a variable

• A response that counteracts a variable

• The regulation of blood sugar levels

• The process of sweating to cool down

Tags

NGSS.HS-LS1-3

What is an example of positive feedback?

• Sweating to cool down

• Blood vessels constricting to conserve heat

• Contractions during childbirth

• Insulin release to lower blood sugar

Tags

NGSS.HS-LS1-3

Why is understanding feedback important?

• To maintain homeostasis

• To regulate body temperature

• To monitor blood sugar levels

• To prevent Type 1 diabetes

Tags

NGSS.HS-LS1-3

What is one issue in Type 1 diabetes?

• Insulin is overproduced

• Glucose cannot enter the cells

• Blood sugar is too low

• The pancreas is not involved

Tags

NGSS.HS-LS1-3

What do Type 1 diabetics need to do?

• Monitor their blood pressure

• Give themselves insulin

• Increase their blood sugar levels

• Constrict their blood vessels