Free Printable Homeostasis

Worksheets

Homeostasis

Total questions: 19

Worksheet time: 2hrs 35mins

Name

Class

Date

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

keep body temperature the same as the external temperature

decrease body temperature

increase body temperature

regulate blood pressure

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

keep body temperature the same as the external temperature

decrease body temperature

increase body temperature

regulate blood pressure

The "cause" for something to happen is the

response

effect

stimulus

homeostasis

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

response

stimulus

cause

result

What type of feedback loop is shown?

negative

neutral

positive

Failure to maintain homeostasis could result in:

lack of internal balance

eventual death

difficulty carrying on metabolism

all three

The two types of feedback systems that help organisms maintain homeostasis are:

positive and negative

receptor and effector

static and dynamic

minor and major

Maintaining body temperature is an example of a:

negative feedback loop

positive feedback loop

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

10.

What is the point of a feedback loop?

To provide the body with more energy

To provide the body with more food

To make sure the conditions in the body are always changing

To make sure the conditions in the body remain stable

11.

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

12.

a body system that controls and coordinates all body activities through electric impulses/messages between brain, spinal cord and nerves.

endocrine system

nervous system

nerve

neuron

13.

What is another word that can be used to describe "homeostasis"?

STABLE

EQUAL

COMPLETE

CORRECT

14.

The kinds of chemicals that control feedback loops

hormones

homeostasis

disease

15.

Loops that cause a response to build up and build up until something big happens are called ____________ loops

positive

negative

16.

The heater kicks on and the house warms up, so it kicks off. Then the house cools a bit and the heater kicks back on. This continues all day. It's a _____________ loop.

positive

negative

17.

Labor during pregnancy is an example of a ____________ feedback loop

positive

negative

18.

Blood clotting is an example of a ____________ feedback loop

positive

negative

19.

Blood sugar regulation is an example of a ______________ loop

positive

negative

Reset

Homeostasis

Total questions: 19

Worksheet time: 2hrs 35mins

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