Free Printable Organ Systems

Worksheets

Organ Systems

Total questions: 22

Worksheet time: 1hrs 15mins

Name

Class

Date

Which system permits blood to circulate and transports nutrients around the body?

Nervous

Respiratory

Circulatory

Digestive

What is the main function of the respiratory system?

take in oxygen and exhale waste like carbon dioxide

move nutrients throughout the body

take in carbon dioxide and exhale oxygen

Which system is the stomach in?

respiratory

digestive

nervous

excretory

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

Which systems main function is to allow movement of the body?

muscular

digestive

skeletal

excretory

The smallest units or parts of living things; the body's building blocks.

cells

organs

tissues

system

Your large and small intestines are part of this body system.

nervous

digestive

muscular

skeletal

A collection of the same kinds of cells working together to do the same job.

cells

tissues

organs

systems

Your body systems work separately and do not effect each other.

true

false

10.

Which body system sends electrical signals to all other body systems?

circulatory system

nervous system

digestive system

skeletal system

11.

Which best compares the respiratory system to the circulatory system?

The respiratory system transports oxygen to cells, while the circulatory system provides oxygen for cells.

The respiratory system provides oxygen for cells, while the circulatory system transports oxygen to cells.

The respiratory system breaks down food for cell energy, while the circulatory system rids the body of waste.

The respiratory system rids the body of waste, while the circulatory system breaks down food for cell energy.

12.

Which two human body systems are most responsible for getting oxygen to cells?

digestive and skeletal

skeletal and circulatory

circulatory and respiratory

respiratory and digestive

13.

Which best explains why both cats and humans are multicellular organisms?

They get energy from many food sources.

They get energy from a single food source

They need only one cell to meet their basic needs.

They need many cells working together to meet their basic needs.

14.

What is the main organ of the circulatory system?

small intestine

bone

lungs

heart

15.

True or false:

Blood traveling in veins is blue.

True

False

16.

Your heart beats slower when you run.

True

False

17.

Which of the following vessels has thin muscle wall and a large lumen?

Vein

Artery

Capillary

Aorta

18.

Which of the following carries blood away from heart?

Vein

Artery

Capillary

Valve

19.

What is the correct order of biological organization from smallest to largest?

A. Organ System Organ Tissue Cell

B. Cell Tissue Organ Organ System

C. Organ Cell Tissue Organ System

D. Tissue Organ Cell Organ System

20.

What is the correct order of biological organization from smallest to largest?

A. Organ System Organ Tissue Cell

B. Cell Tissue Organ Organ System

C. Organ Cell Tissue Organ System

D. Tissue Organ Cell Organ System

21.

The best definition of tissue would be which of the following?

A. a group of different types of cells that perform the same function

B. a group of similar cells that perform the same function

C. a group of different cells that perform different functions

D. a group of similar cells that perform different functions

22.

What would be the consequence if the waste removal process in a cell is disrupted?

A. The cell would accumulate waste, leading to potential harm

B. Other cells would take over the waste removal process

C. The cell would find a safe place to store the waste

D. The cell would adapt to the new condition

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Organ Systems

Total questions: 22

Worksheet time: 1hrs 15mins

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