The Skeletal System
The Circulatory System
The Nervous System
The Digestive System
100

The hard white tissue that makes up the skeletal system.

Bone

100

The vehicle that transports food, chemicals, and oxygen to all parts of the body.

Blood

100

The part of the brain that governs the perception of balance and coordinates the voluntary muscles.

Cerebellum

100

When food is chemically broken down and dissolved into a form that can be used in the cells.

Digestion

200

Between each small vertebrae bone is a pad of tough, elastic tissue called ____.

Cartilage

200

Large tubes that transport blood throughout the body are called __________.

Veins

200

The part of the brain that governs the involuntary muscles used for digesting food, coughing or sneezing, breathing, pumping blood, etc.

Medulla

200

The digestive system begins with the ____.

Mouth

300

The human body has more than _____ bones.

200

300

Oxygen-rich blood flows from the heart to the body through thick tubes called _________.

Arteries

300

When nerve endings are stimulated in a sense organ, an electrical message is sent through ___________ _________ to the spinal cord and then the brain.

Sensory nerves

300

The substance found in the stomach that aids digestion is called _________.

Gastric Juices

400

The ribs protect the ____, _________, and _________.

Heart, lungs, and other chest organs. 

400

The tubes that carry waste into larger tubes called veins that carry blood back to the heart are called _____.

Capillaries

400

When reflexive action is required, the brain bypasses the spinal cord to send a signal to the _________ ________.

Motor nerves

400

Non-digestible material passes through the _______. 

Large Intestine 

500

_______ _________ is stored inside the middle of the bones and is mainly composed of fat.

Yellow Marrow

500

Most numerous and give the blood its characteristic color. Carry oxygen from the lungs to the body’s cells and carbon dioxide from the cells back to the lungs.

Red blood cells

500

The part of the brain that governs the conscious, rational process, receives signals from the senses, and controls the body’s voluntary muscles.

Cerebrum

500

What works with digestive juices to break down food?

Enzymes