Bones
Muscles
Circulation
Respiration
Injuries, Disorders and Diseases
100

Where the red, white blood cells, and platelets are produced. 

What is marrow? 

100
Muscles only found in the heart. 

What are cardiac muscles? 

100

Carry oxygen-poor blood to the heart. 

What are veins? 

100

Where air enters our body. 

What are our nostrils? 

100

Chronic lung disease that causes wheezing and shortness of breath. 

What is asthma? 

200
Strong, connective tissue that holds bones and joints together.

What are ligaments?

200

Bundled fibers make this type of muscle which helps make voluntary motions. 

What are skeletal muscles? 

200
Iron-rich molecule in red blood cell that make them red. 

What is hemoglobin?

200

A thick muscle needed for breathing which is located under the chest cavity. 

What is the diaphragm? 

200

Overstretched muscle. 

What is a strain? 

300

Connective tissue found at the ends of bones to help cushion them and reduce friction. 

What is cartilage? 

300

Muscles made of small connected cells that move involuntarily like in the stomach. 

What are smooth muscles?
300
The smallest blood vessels. 

What are capillaries? 

300

The flap of tissue that covers the trachea when you swallow. 

What is the epiglottis? 

300

Infection of lung tissue caused by bacteria or a virus. 

What is pneumonia? 

400

The soft bone layer that gives flexibility to the bone and makes it lighter. 

What is spongy bone?

400

Tough bands of tissue that fasten your muscles to your bones. 

What are tendons?

400

Small colorless bodies that stop the flow of blood. 

What are platelets? 

400

The voice box. 

What is the larynx? 

400

High blood pressure. 

What is hypertension? 

500

The cells that make up bones and are responsible for bone growth and repair. 

What are osteocytes?

500
The muscle that bends a joint. 
What is the flexor?
500

The upper chambers of the heart. 

What is an atrium? 

500

We have hundreds of millions of these tiny air sacs in our lungs. 

What are alveoli?

500

Loss of bone tissue that can be prevented by getting lots of calcium in your diet. 

What is Osteoporosis?