If the environment gets cold, we will often shiver in order to:

keep body temperature the same as the external temperature

Why does pulse rate increase during exercise?

Gas exchange must happen more quickly than when a person is at rest

Oxygen and carbon dioxide must be removed from the body ASAP

Oxygen must be moved to the lungs and carbon dioxide must be moved to cells more quickly

Carbon dioxide must be moved to the kidneys to be excreted

is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

allows for a wildly fluctuating internal environment

is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation

Which best describes the stimulus-response model?

Stimulus -> receptor -> control centre -> effector -> response

Stimulus -> receptor -> effector -> control center -> response

Stimulus -> effector -> control center -> receptor -> response

Most bacteria that cause sickness in humans grow best at 37 °C . Sometimes a fever is the body's response to the bacteria. What is the reason for developing a fever?

The increase the temperature of the body to kill the bacteria

To lower the temperature of the body to kill the bacteria

To allow the bacteria to take over

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

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

You would recover much more quickly

Your body temperature would drop to dangerous levels

Your immune system would shut down

a deviation from the norm brings the body back to homeostasis

a regulatory substance transported in the blood to target cells

a deviation from the norm is enhanced until an event occurs

a chemical substance released by nerves

a deviation form the norm is increased until an event occurs

a deviation from the norm brings the organism back to homeostasis

a hormone produced by the pancreas

a chemical substance released by the nerves

Unit 1: Living Systems Lesson 3 Quiz- Homeostasis

Authored by Ashley Kloustermeyer

Biology

9th - 10th Grade

NGSS covered

Used 88+ times

Unit 1: Living Systems Lesson 3 Quiz- Homeostasis

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of homeostasis?

taking out the trash

drinking water

sweating on a hot day

taking a shower

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.

Positive Feedback Response

Negative Feedback Loop

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.

Positive Feedback Response

Negative Feedback Loop

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a positive feedback mechanism?

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.

Positive Feedback Response

Negative Feedback Loop

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

If the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up.

Positive Feedback Response

Negative Feedback Loop

Tags

NGSS.HS-LS1-3

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.

Positive Feedback Response

Negative Feedback Loop

Tags

NGSS.HS-LS1-3

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Unit 1: Living Systems Lesson 3 Quiz- Homeostasis

Which of the following is an example of homeostasis?

When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.

When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.

What is an example of a positive feedback mechanism?

Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.

If the calcium in your blood decreases below homeostasis levels, a gland in the brain will sense the decrease and send a chemical message to your bones. Your bones will release calcium into the blood, bringing blood calcium levels back up.

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels.

Which of the following detects a change & sends the info to the Control Center?

Which of the following responds to the output message from the Control Center?

Which component of homeostasis does this image represent?

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