Circulatory
Respiratory
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100

This organ controls blood flow.

What is the heart?

100

This is the main organ responsible for gas exchange in the repiratory system.

What are the lungs?

100

This is where digestion begins, as food is chewed and mixed with saliva.

What is the mouth?

100

This organ is the main control centre of the nervous system. 

What is the brain?

100

This is the name of the main character, a teenage girl who transforms into Sailor Moon.

Who is Usagi/Serena Tsukino?

200

There are four in the heart.

What are chambers?

200

This muscle contracts and moves downward to help air enter the lungs.

What is the diaphragm?
200

This muscular tube carries good from the mouth to the stomach.

What is the oesophagus?

200

These specialised cells transmit electrical signals throughout the nervous system.

What are neurons?

200

This talking black cat introduces Usagi to her destiny as a Sailor Guardian.

Who is Luna?

300

The name for tiny blood cells that causes blood to clot when you have an injury

What are platelets?

300

These tiny air sacs are the sute where oxygen and carbon dioxide are echanged.

What are the alveoli?

300

This organ uses acid and enzymes to begin breaking down proteins.

What is the stomach?

300

This part of the central nervous system carries messages between the brain and the rest of the body.

What is the spinal cord?

300

This is the name of the masked hero who frequently assists Sailor Moon.

Who is Tuxedo Mask?

400

There are four in the heart.

What are chambers?

400

This gas moves from the alveoli into the bloodstream during gas exchange.

What is oxygen?

400
Most nutrient absorption takes place in this organ which has villi lining its walls.

What is the small intestine?

400

This type of neuron carries messages from sensory receptors towards the central nervous systems.

What is a sensory neuron?

400

This Sailor Guardian is known for her intelligence and associated with water/ice.

Who is Sailor Mercury?

500
Why is the left side of the heart thicker than the right side?

The left side pumps bloods further away from the heart, needing a stronger muscle.

500

This process describes the movement of oxygen into the blood and carbon dioxide out of the blood at the alveoli.

What is diffusion?

500

These finger-like projections increase the surface area of the small intestine, allowing nutrients to be absorbed more efficiently.

What are the villi?

500

This tiny gap between neurons is where neurotransmitters carry signals from one neuron to another.

What is a synapse?

500

This is the phrase that must be spoken while holding the transformation brooch in order to transform into Sailor Moon.

What is, "Moon Prism Power!"?