Skeletal and Muscular
Circulatory and Respiratory
Digestive and Excretory
Nervous and Endocrine
Immune
100

Muscles that work without you thinking about it belong to this category.

What are involuntary muscles?

100

This muscle contracts when you are breathing.

What is the diaphragm?

100

These organs clean our blood.

What are the kidneys?

100

Your endocrine system releases these chemicals into your bloodstream.

What are hormones?

100

This is the best way to avoid getting sick.

What is washing your hands?

200

Bones are held together by these tough, flexible tissues.

What are ligaments?

200

These are the smallest blood vessels in your body.

What are capillaries?

200

This organ absorbs water from our food.

What is the large intestine?

200

This part of your brain connects your brain to your spinal cord and controls your most basic actions.

What is the brain stem?

200

This is an immune response to a harmless substance.

What is an allergy?

300

These are the 3 types of muscle.

What are skeletal, cardiac, and smooth?

300

These air sacs in your lungs are where gasses are exchanged with your bloodstream.

What are alveoli?

300

This painful condition occurs when stomach acid eats through the protective mucus and harms the lining of the stomach.

What is a stomach ulcer?

300

In between each of your vertebrae is a disc made of this substance.

What is cartilage?

300

This is a rush of blood to an injured or infected area.

What is inflammation?

400

In the center of many bones is this substance which produces red and white blood cells.

What is marrow?

400

Atherosclerosis occurs when this blocks the flow of blood in your blood vessels.

What is cholesterol?

400

Sweating gets rid of salt, water, and this smelly substance.

What is ammonia?

400

This means someone is paralyzed from the neck down and they are unable to move their body.

What is a quadriplegic?

400

These work by stopping or interfering with a cellular process, such as making a cell wall or proteins.

What are antibiotics?

500

You may have experienced this painful condition in your wrist if you have been typing or playing video games for too long.

What is tendonitis?

500

This condition occurs when the alveoli have been damaged by something like cigarettes.

What is emphysema?

500

Leaving the stomach, food is called this soupy mixture.

What is chyme?

500

This organ releases the hormone insulin to regulate your blood sugar levels.

What is the pancreas?

500

These stick to and disable germs, marking them for destruction.

What are antibodies?

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