Show:
Skeletal System
Nervous System
Circulatory System
Digestive System
Respiratory System
100

This person has more bones than an adult.

What is a baby?

100
All of the nerves in the human body originate from this.
What is the brain?
100
These two things transport blood through the body.
What are veins and arteries?
100

At 5 meters long, it is also the longest organ in the digestive system

What is the small intestines

100

The body breathes in oxygen and breathes out this gas.

What is carbon dioxide?

200
These are the two bones in the forearm.
What are the radius and ulna?
200
This protects the brain.
What is the skull?
200

This is the reason why veins appear blue?

Lack of oxygen

200

The muscles in this organ are so strong, they can act against gravity without any problem.

What is the large intestines

200

These are the passageways that narrow during an asthma attack?

Bronchioles

300
This is how many bones there are in an adult.
What is 206?
300
Vertebrae in the back protect this.
What is the spinal cord?
300
The heart has this many compartments.
What is 4?
300

As a primary enzyme in saliva, this starts to break down starches in the food you eat.

What is amylase

300

This a small dome-shaped muscles seated right below the lungs allow us to breathe 

What is the diaphragm

400
These are the two bones in the calf.
What are the tibia and fibula?
400

What are the four lobes of the brain?

Frontal, parietal, temporal, occipital

400
This is the name of the artery that blood gets pumped through as soon as it leaves the heart.
What is the aorta?
400

This acid, produced by the stomach, can dissolve metal

Hydrochloric acid

400

This flap keeps food from entering your respiratory system when you swallow.

What is the epiglottis?

500

This is the real name for the tailbone?

What is the coccyx

500
These are the two major functions of nerves.
What are sense feelings (pain, heat, etc) and move muscles
500
This is the name of the vein which blood passes through right before it re-enters the heart.
What is the vena cava?
500

The muscles in your esophagus act like a giant wave. That is what moves food or drinks down to your stomach. This wave action is called what?

What is peristalsis?

500

This is the most common lobe of the lung to develop pneumonia.

What is the right lower lobe?