Free Printable Homeostasis and Levels of Organization

Worksheets

Homeostasis and Levels of Organization

Total questions: 15

Worksheet time: 10mins

Name

Class

Date

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

keep body temperature the same as the external temperature

decrease body temperature

increase body temperature

regulate blood pressure

Homeostasis in the human body is often maintained by a:

neutral feedback loop

solar feedback loop

positive feedback loop

negative feedback loop

What type of feedback loop is shown?

negative

neutral

positive

Negative Feedback Loops:

increase effects

stop small changes from getting larger

are initiated during childbirth

are found only in plants

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

positive and negative

receptor and effector

static and dynamic

minor and major

When a baby pushes on the cervix in order to be born, it causes an increase in hormones that help the pushing. This is an example of:

negative feedback loop

positive feedback loop

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

The ___________ is the basic unit of life

organ

cell

atom

tissue

Organs and tissues that perform the same function is called _____________?

cells

tissues

organ system

organs

10.

Two or more tissues that perform a similar function are called_____. (Examples include the heart, lungs or stomach)

cells

tissues

organs

organ system

11.

What is the correct order of organization

tissues-cells-organs-organ systems

cell-tissue-organs-organ systems

organism-cells-tissues-organ systems

tissues-cells-organs-organ sytems

12.

This is a example of........

organ system

cells

organ

tissue

13.

This is a example of ........

cell

organ system

organ

tissue

14.

This is a example of ........

cell

tissue

organ

organ system

15.

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

100 %

Homeostasis and Levels of Organization

Total questions: 15

Worksheet time: 10mins

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