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Digestive System
Nervous System
Circulatory System
Respiratory System
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100

The organ that removes water from food in the digestive system

What is the large intestine? 

100

This is what nerve cells are called

What are neurons?

100

These are the smallest blood vessels?

What are capillaries?

100

Arguably the most important organ in the respiratory system

What are the lungs?

100

The longest organ in the human body

What is the small intestine?

200

The motion that moves food down the esophagus

What is peristalsis?

200

The most important organ in the nervous system.

What is the brain?

200

These blood vessels carry blood away from the heart

What are arteries?

200

The respiratory system works closely with this body system to supply all cells in our body with rich oxygenated blood.

What is the circulatory system?

200

When the doctor hits your knee with the little hammer they are looking for this system to react

What is the nervous system?

300

The part of the digestive system that absorb nutrients from food 

What are the villi?

300

The five senses

What are seeing, hearing, smelling, touching, tasting?

300

The lower chambers of the heart

What are the ventricles?

300

The waste product of the respiratory system

What is carbon dioxide?

300

An infection of the bronchioles in the respiratory system 

What is bronchitis?

400

The two types of digestion

What are mechanical and chemical digestion?

400

The space between neurons where messages are transmitted

What is a synapse?

400

The upper chambers of the heart

What are the atria?

400

These colors are used to depict the circulatory system. 

 What are blue (unoxygenated) and red (oxygenated)?

400

Explain how blood flows through the heart

Enters through the vena cava as unoxygenated blood from the body, it pumps into the right atrium and ventricle, before being sent to the lungs to receive oxygen. It then returns with fresh oxygen into the left atrium, and is then pumped to the right ventricle, and out the aorta to the rest of the body.
500

The flap that allows food down the esophagus rather than the windpipe.

What is the epiglottis?

500

The two parts of your nervous system

What are the central (CNS) and and peripheral (PNS) nervous systems?

500

The first place blood enters the heart

What is the right atrium?

500

These tiny sacs facilitate the transfer of oxygen and carbon dioxide in the human body

What are the alveoli?

500

This system in plants is similar to the circulatory system in humans, in which it carries materials throughout the body.

What is the vascular system?