Cells, Tissues, Organs, & Systems
Which System?
Definition
Fill in the Blank
Say it Another Way
100

These are _________.

cells

100

Hundreds of skeletal bones make up the ________ system.

skeletal 

100

tubes located in the lower abdomen through which food and food waste travel

urethra or intestines

intestines

100

Our bodies are made up of billions of tiny, microscopic _______.

cells or tissue

cells

100

The digestive and excretory ________ both help get rid of bodily waste.

systems or cells

systems

200

These are _________.

systems

200

Blood circulates, or travels, through the body as part of the _________ system.

circulatory 

200

a pair of abdominal organs that helps clean the body’s blood

kidneys or bladder

kidneys

200

When I drink lots of water, my _______ seems to fill up very quickly. 

bladder or stomach

bladder

200

Our body soaks up nutrients.

fill or absorb

absorb

300

This is a(n) _________.

organ

300

Nerves travel up and down the spinal cord to the brain, the center of the _______ system.

nervous
300

a large body organ that secretes juices to help the body digest food

liver or stomach

liver

300

I need to eat nutritious food to ______ my body.

essential or nourish

nourish

300

My mouth filled with a watery liquid while the dentist worked on my teeth.

water or saliva

saliva

400

This is a(n) ________.

organ

400

Muscles expand and contract, working as part of the ______ system.

muscular 

400

the process of supplying the body with the proper foods for growth and good health

functions or nutrition

nutrition

400

Milk provides calcium, which is an important ______ for the body.

system or mineral

mineral

400

Which nutrient supplies the body with energy?

Protein or carbohydrates

carbohydrates

500

This is __________.

tissue

500

Food is digested, or broken down, in the _______ sytem.

digestive

500
You should eat sweets in __________. 



excessive or moderation

moderation

500

Nick Nutri is a _________.

nutritionist or doctor

nutritionist

500

Water is necessary or very important to the life of all plants and animals on Earth.

essential or variety

essential

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