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human body

Total questions: 14

Worksheet time: 12mins

Name
Class
Date
1.

which part of your body is known as a sense organ?

a)

head

b)

ear

c)

leg

d)

heart

2.

I am the name of the tube located near the windpipe, that takes food from the throat to the stomach. What am I?

a)

windpipe

b)

cells

c)

organs

d)

esophagus

3.

We are made up of cells and tissues and work within body systems. We include both the heart and the brain. What are we?

a)

cells

b)

organs

c)

tissue

d)

fats

4.

I am a liquid that is vitally important to all life on Earth. What am I?

a)

vitamins and minerals

b)

milk

c)

cells

d)

water

5.

Which system functions to transport messages between the brain and other parts of the body?

a)

respiratory system

b)

nervous system

c)

circulatory system

d)

digestive system

6.

Which of the following statements best describes unicellular organisms?

a)

Unicellular organisms have transport systems between cells.

b)

Unicellular organisms have many cells that must work together to perform life processes.

c)

Unicellular organisms are a single cell that performs all life processes.

d)

Unicellular organisms live only inside other living organisms.

7.

Which body system is made up of the following structures: mouth, esophagus, stomach, and intestines?

a)

digestive system

b)

muscular system

c)

respiratory system

d)

cardiovascular system

8.

Which two body systems function (work together) to help a person walk, run, jump, and swim?

a)

digestive and muscular systems

b)

circulatory and respiratory systems

c)

nervous and digestive systems

d)

skeletal and muscular systems

9.

What is the function of the cardiovascular system?

a)

To provide protection to the body’s organs

b)

To transport needed substances throughout the body and carry away wastes

c)

To provide movement to body parts

d)

To break food down into substances the body can use

10.

What is the function of the heart in the circulatory system?

a)

It pumps blood through vessels throughout the body.

b)

It helps the body make more blood cells.

c)

It forms a network of vessels throughout the body.

d)

It protects the bones of the skeletal system.

11.

Leo is observing a sample of pond water using a microscope. He sees an organism moving around in

the water and thinks it might be a multicellular organism.

Which of the following characteristics of the organism make it most likely to be a multicellular

organism? .

a)

The organism is made of many cells.

b)

The organism has cells that perform specialized functions necessary for life.

c)

The organism has developed transport systems.

d)

All of the above.

12.

Which characteristic do single-celled organisms and multicellular organisms have in common?

a)

Both have cells with specialized functions for each life process.

b)

Both perform all life processes within one cell.

c)

Both have a function to get rid of waste materials.

d)

Both are able to make food from sunlight.

13.

Which example best shows the structures that make up the respiratory system of the human body?

a)

brain, spinal cord, nerves

b)

nose, trachea, lungs

c)

heart, blood, vessels

d)

esophagus, stomach, intestines

14.

Which statement best describes a unicellular organism?

a)

It consists of one cell and performs all functions necessary for life within that one cell.

b)

It contains more than one cell that perform all functions necessary for life.

c)

It is part of a larger organism, such as a human being.

d)

It contains differentiated cells that perform all functions necessary for life.