Unicellular/Multicellular
Body System Functions (A)
Body System Functions (B)
Organ Functions
Organs and Body Systems
100

A organism made up of just one cell.

Unicellular

100

This system sends messages from the brain to the other body systems.

Nervous System

100

What does the circulatory system pick up and take back to the heart?

A. oxygen

B. carbon dioxide and water (waste)

C. urine

D. mucus

B. carbon dioxide and water (waste)

100

If an organism has an organ that stops working, what will most likely happen to that organism?

It will die

100

Kidneys are part of which body system?

Excretory system

200

Algae is what kind of organism?

unicellular

200

True or False:

The cardiovascular system is in control of the movement of the body.

False: The cardiovascular system delivers oxygen to all body systems.

200

Which system removes solid waste from the body

Digestive system

200

Kidneys do what in the human body?

A. store nutrients

B. remove waste from cells

C. transport energy to cells

D. control body functions

B. remove waste from cells

200

What group of structures best describes the makeup of the digestive system?

A. heart, blood, vessels

B. esophagus, stomach, intestines

C. brain, spinal cord, nerves

D. nose, trachea, lungs

B. esophagus, stomach, intestines

300

An amoeba is a unicellular organism. I know this because:

A. It is able to carry out all life functions  with the help of other cells or organisms

B. It is able to carry out all like functions alone

C. It is a group of special cells

D. It isn't made up of cells at all

B. It is able to carry out all like functions alone

300

The ___________ system produces red blood cells to bring oxygen to muscles.

skeletal

300

When the respiratory system is damaged the other systems do what to help repair it?

A. completely stop working

B. send nutrients to the damaged system

C. start doing the damaged systems job

B. send nutrients to the damaged system

300

Muscles and bones work together to

move your body

300

brain, spinal column, nerves make up the ________________ system

nervous

400

A cricket, human, chihuahua, and baby are all examples of what kind of organism?

multicellular

400

Which two systems work together to make red blood cells and have them carry oxygen for the body?

A. muscular and skeletal

B. digestive and muscular

C. skeletal and respiratory

D. muscular and respiratory

C. skeletal and respiratory

400

Which statement is true:

A. the skeletal system cools the muscular system

B. the muscular system bring oxygen to lungs for the body to use as energy

C. the respiratory system brings oxygen into the body for the muscular system to use

C. the respiratory system brings oxygen into the body for the muscular system to use

400

What protects the organs inside your body?

Ribs

400
The respiratory system provides ___________ to all cells and tissues. 

oxygen

500

What is most important to know when deciding if an organism is unicellular or multicellular?

A. how fast it grows

B. the size of its cells

C. what it eats

D. how many types of cells it has

D. how many types of cells it has

500

This body system produces energy for other body systems.

The Digestive System

500

The skeletal system:

A. makes cells for the circulatory system

B. makes cells for the digestive system

C. makes cells for the muscular system

D. makes cells for the skeletal system

A. makes cells for the circulatory system

500

Bone marrow produces:

A. red blood cells

B. more bone tissue

C. hormones

D. carbon dioxide

A. red blood cells

500

Oxygen is absorb by which organ

lungs

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