Skeletal System
Muscular System
Digestive System
Circulatory & Cardiorespiratory System
Nervous System
100

This soft material inside bones makes blood cells and stores fat

What is Bone Marrow?

100

This type of muscle makes up the heart.

What is cardiac muscle?

100

This flap of tissue prevents food from entering the windpipe.

What is the epiglottis?

100

These blood cells carry oxygen to the body.

What are red blood cells?

100

This organ carries messages to and from the brain.

What is the spinal cord?

200

These connect bone to bone.

What is Ligaments?

200

This type of muscle pushes food through the body.

What is smooth muscle?

200

Most nutrients are absorbed here.

What is the small intestine?

200

These blood vessels carry blood away from the heart.

What are arteries?

200

This part of the brain controls memory, thought, and voluntary movement.

What is the cerebrum?

300

These connect muscle to bone.

What is Tendons?

300

The difference between being able to lift an object once and lifting it many times.

What is muscular strength vs. muscular endurance?

300

This organ produces bile to aid in digestion.

What is the liver?

300

The four chambers of the heart.

What are the left/right atria and left/right ventricles?

300

This part of the brain helps with balance and posture.

What is the cerebellum?

400

This disease causes bones to become weak and brittle.

What is osteoporosis? 

400

Inflammation of a tendon, often caused by overuse.

What is tendonitis?

400

When the stomach churns food with gastric juices, it creates this liquid.

What is chyme?

400

This dome-shaped muscle under the lungs helps you breathe.

What is the diaphragm?

400

This part of the brain controls heartbeat and breathing.

What is the medulla/brain stem?

500

Arthritis, scoliosis, and dislocation are examples of these.

What are ailments of the skeletal system?

500

A “pulled muscle” is called this, while a stretched or torn ligament is called this.

What is a strain and a sprain?

500

The path of food from the mouth until it reaches the stomach.

What is mouth → esophagus → stomach?

500

Blood flows through these chambers and vessels on its journey through the heart and body.

What is right atrium → right ventricle → lungs → left atrium → left ventricle → body?

500

When you touch a hot stove, this system sends signals that make you pull your hand away.

What is the nervous system reflex response?