Circulatory
Nervous
Muscular
Respiratory
Wildcard
100

This part of the blood transports oxygen from the lungs to body cells.

Red Blood Cells

100

This type of cell transmits signals to the brain

Neuron

100

This muscle works opposite the biceps

Triceps 

100

This is the primary function of the respiratory system

exchanging gases (O₂ and CO₂) with the environment

100

This natural sugar, found in Halloween treats like candy corn, is a quick energy source for the body.

Glucose

200

This muscular organ with four chambers pumps blood throughout the body.

The Hearts

200

These are the two main organs of the nervous system. 

Brain and Spinal Cord

200

The muscular system works with this other system to create movement

Skeletal

200

This process is the act of breathing, essential for taking in oxygen and removing carbon dioxide.

Respiration

200

What holiday is celebrated each year from October 31-November 2 

Dia De Los Muertos 

300

This blood vessel type is where oxygen and carbon dioxide exchange with cells. 

Capillaries 

300

This is the main function of the nervous system

To send and receive signals to control body functions

300

There are over this many muscles in the human body, each contributing to movement and stability.

600

300

This tube allows air to travel from the mouth and nose into the lungs, supported by rings of cartilage.

Trachea

300

This mineral, absorbed by the digestive system, helps make bones strong

Calcium

400

This yellow liquid in blood is primarily made of water, with nutrients, salts, and hormones.

Plasma

400

This is the space between the dendrites of one neuron, and the terminal of another neuron

The Synapse

400

These tissues connect bones to bones

Ligaments

400

Bronchitis is an infection of this part of the lungs

Bronchial Tubes

400

The part of the body where red blood cells are produced

Bone Marrow

500

Heart rate does this when you are at higher elevations

Increases

500

These are the two main sections of the nervous system 

The Central Nervous System and the Peripheral Nervous System 

500

Groups of muscles that work opposite each other to support balance and movement

Antagonistic muscle groups

500

During inhalation, the diaphragm does this. 

Contracts

500

Name this classic horror movie villain

Freddy Krueger 

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