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Feed Back Loops and Body Systems

Authored by Wayground Content

Science

9th - 12th Grade

Feed Back Loops and Body Systems
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

organ of the endocrine system that secretes hormones.

heart
gland
brain
skin

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Humans have ___ for body temperature, blood glucose concentrations, electrolyte concentrations, pH levels, tendon tension and variables.

positive feedback mechanisms
set points
a wide internal range
no regulation

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

 What is the main job of the digestive system? 

break down foods into nutrients that can be used by the body
take in oxygen and exhale waste like carbon dioxide
pump blood throughout the body
makes the body hungry

4.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

The "effect" of a given stimulus is the...

response
stimulus
cause
result

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

A feedback loop best fits which characteristic of life?

Cells

Organization

Homeostasis

Adaptation

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

A ________________ feedback loop makes a system more stable.

Positive

Neutral

Negative

Circular

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Media Image

A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level

hormones

homeostasis

disease

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