Regulation

What is mean by homeostasis?

• Controls and coordinates body activities through chemical 

• controls and coordinates body activities through electrical impulses

• For maintenance of a steady state in the internal environment

• remove metabolic waste products from the cel

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NGSS.HS-LS1-3

Has to eat more often to maintain constant body temperature.

• Endotherm

• Ectotherm

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NGSS.HS-LS1-3

An endothermic organism is outside in the cold snow. What behavioral adaptations might they do to maintain their temperature? Select all that apply.

• Seek shelter because they cannot maintain their temperature.

• Shiver to generate body heat.

• Move around to decrease blood flow.

• Bask in the sun.

Tags

NGSS.HS-LS1-3

The hormone that lowers blood sugar levels.

• glucose

• glycogen

• glucagon

• insulin

Tags

NGSS.HS-LS1-3

What "detects" a change has occurred in the blood sugar feedback?

• response - increased glucose uptake into cells

• receptor/sensor - brain/pancreas detect high blood glucose

• stimulus - high blood glucose level following a meal

• control center - pancreas cells secrete insulin

Tags

NGSS.HS-LS1-3

What controls the change that has to happen to make things normal again?

• response - increased glucose uptake into cells

• receptor/sensor - pancreas/brain detect high blood glucose

• stimulus - high blood glucose level following a meal

• control center - pancreas cells secrete insulin

Tags

NGSS.HS-LS1-3

Which hormone is produced when the blood glucose concentration is below normal?

• insulin

• glucagon

• both insulin and glucagon

• neither insulin nor glucagon

Tags

NGSS.HS-LS1-3

A person has not ate for 12 hours. Which hormone is more likely to be produced?

• insulin

• glucagon

• both insulin and glucagon

• neither insulin nor glucagon

Tags

NGSS.HS-LS1-3

Blood sugar regulation is an example of:

• negative feedback

• positive feedback

• neither

Tags

NGSS.HS-LS1-3

The organ which releases hormones in response to changes in blood glucose concentration is

• The pancreas

• The liver

Tags

NGSS.HS-LS1-3