Structure and Movement
Digestion and Excretion
Respiration and Circulation
Control and Coordination
Immunity and Disease
100

This body system acts as the framework of your body and includes all of your bones.

Skeletal System

100

This is the muscular tube that connects your mouth to your stomach.

Esophagus

100

This is the main gas that you breathe in to keep your cells alive.

Oxygen

100

This organ acts as the body's control center and is the main component of the nervous system.

Brain

100

These microscopic organisms, which include bacteria and viruses, can invade your body and cause disease.

Germs (or Pathogens)

200

This is the body's largest organ and is the main part of the integumentary system,

Skin

200

These two bean-shaped organs act as filters for your blood and produce urine.

Kidneys

200

This muscular organ is the center of the circulatory system and pumps blood throughout your body.

Heart

200

The endocrine system uses these chemical messengers, which travel through your blood to control growth, development, and mood. What do you call this "chemical messenger"?

Hormones

200

Washing these with soap and water for at least 20 seconds is one of the best ways to prevent the spread of disease.

Hands

300

This specific type of involuntary muscle is found only in your heart.

Cardiac Muscle?

300

Even though it is named "small," this long digestive organ is where most of the nutrients from your food are absorbed into your blood.

Small Intestine

300

While the digestive system processes nutrients, this system provides the involuntary muscle contractions, known as peristalsis, required to move food through the esophagus and intestines.

Muscular System

300

This is the scientific name for a nerve cell, which sends electrical signals throughout your body.

Neuron

300

These are the specific cells in your bloodstream that act as your body's soldiers to fight off infections.

White Blood Cells

400

When you are cold, this system contracts to create friction and keep you warm, causing you to shiver.

Muscular System

400

After you eat a snack, this system breaks the food down both mechanically and chemically into nutrients.  

Digestive system

400

During a race, the respiratory system brings in oxygen, but this system is responsible for transporting that oxygen to your cells so ATP can be made for energy.

Circulatory system

400

When an embarrassing situation occurs, such as tripping in front of the class, this system responds by causing your heart rate to speed up.

Nervous System

400

This is a substance, usually given as a shot, that trains your immune system to recognize and fight a disease before you actually get sick.

Vaccine

500

Body systems interact with one another to carry out life processes. Choose the TWO body systems work with the muscular system to provide movement.

Skeletal System and Nervous System

500

When you are dehydrated, a hormone controls the release of urine from the bladder, which is the holding tank for this specific system.

Urinary/Excretory System

500

If you stand up too quickly, a positional change can result in decreased blood flow from this system to the brain, causing you to feel light-headed.

Circulatory system

500

The sight of a scary figure triggers this system to increase your adrenaline so you have the energy to run away.  

Endocrine System

500

When fighting an infection like strep throat, the hypothalamus gland in the endocrine system triggers the formation of this condition to help "burn out" the bacteria.

Fever

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