Understanding Human Homeostasis

Which organ in the human body is primarily responsible for regulating blood glucose levels?

• Liver

• Pancreas

• Kidney

• Lungs

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NGSS.HS-LS1-3

What is the term for the maintenance of a stable internal environment in the human body?

• Metabolism

• Homeostasis

• Respiration

• Digestion

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NGSS.HS-LS1-3

Which hormone lowers blood sugar levels in humans?

• Glucagon

• Insulin

• Adrenaline

• Thyroxine

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NGSS.HS-LS1-3

Which feedback mechanism amplifies a change rather than reversing it?

• Negative feedback

• Positive feedback

• Neutral feedback

• Direct feedback

Which of the following is an example of negative feedback in the human body?

• Blood clotting

• Childbirth contractions

• Regulation of body temperature

• Nerve impulse transmission

Tags

NGSS.HS-LS1-3

Which component of a feedback system detects changes in the internal environment?

• Effector

• Receptor

• Control center

• Hormone

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NGSS.HS-LS1-3

If a person is exposed to cold temperatures, which physiological response helps maintain homeostasis?

• Sweating

• Vasodilation

• Shivering

• Increased urination

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NGSS.HS-LS1-3

A person eats a meal high in carbohydrates. Which process will occur to restore homeostasis?

• The pancreas releases glucagon to increase blood glucose.

• The pancreas releases insulin to decrease blood glucose.

• The liver releases glucose into the blood.

• The kidneys excrete more glucose.

Tags

NGSS.HS-LS1-3

Which of the following best describes the role of the hypothalamus in homeostasis?

• It produces digestive enzymes.

• It acts as a control center, regulating body temperature and other functions.

• It filters waste from the blood.

• It stores excess glucose.

Tags

NGSS.HS-LS1-3

During intense exercise, how does the body respond to increased carbon dioxide levels in the blood?

• Decreases breathing rate

• Increases breathing rate

• Decreases heart rate

• Increases insulin secretion

Tags

NGSS.HS-LS1-3