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

intestines

100

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

cells

100

The digestive and excretory sets of connected parts that work together both help get rid of bodily waste.

What's another word we could use to replace the italicized words?

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

200

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

bladder

200

The ground will gradually soak up most of the water when it rains

What's another word we could use to replace the italicized words?

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

300

Mothers ______ their babies with milk for the first few months of life.

nourish

300

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

What's another word we could use to replace the italicized words?

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

nutrition

400

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

mineral

400

Sugar and starch are substances that supply the body with energy and are found in many plant foods.

What's another word we could use to replace the italicized words?

carbohydrates

500

This is __________.

tissue

500

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

digestive

500

the act of keeping things within a middle range, neither too great nor too little

moderation

500

When I was a baby, a _________ helped my mother know what to feed me so that I would grow into a strong and healthy child.

nutritionist

500

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

What's another word we could use to replace the italicized words?

essential

M
e
n
u