Directions
Organ Systems
Guess the Organ
Body Geography
Functions
100

Your face, chest, and kneecaps are all located on this side of your body.

Front (Anterior)

100

Made up of 206 bones, this system gives your body its shape and stops you from collapsing into a puddle of mush


Skeletal System

100

This fist-sized muscle beats about 100,000 times a day to pump blood.

Heart

100

The brain is safely locked inside and protected by this hard, bony structure.

Skull

100

When your body gets way too hot from exercising, it does this to cool your skin down.




Sweating

200

Your shoulder blades and calves are located on this side of your body.

Back (Posterior)
200

Powered by the heart, this system moves blood, oxygen, and nutrients all around your body.

Cardiovascular

200

You have two of these in your chest, and they expand like balloons every time you inhale.




Lungs

200

The heart and the lungs are both located inside this upper cage-like region of the body.

Chest 

200

Your red blood cells act like delivery trucks to carry this specific, vital gas from your lungs to the rest of your body.




Oxygen

300

Your head is located at this end of your body compared to your feet.

Top (Superior)

300

Your lungs are the main star of this system, which allows you to breathe in oxygen.




Respiratory

300

Weighing about 3 pounds, this organ acts as the main "computer" or control center for everything you think and do.




Brain

300

The biceps, triceps, and deltoid muscles are all located on this specific limb.

Arm

300

The main job of your teeth and saliva is to start doing this to your food before you even swallow it.

Breaking it down (Chewing/Digesting)

400

Your skin is on the outside of your body, while your skeleton is located here.

Inside (Deep)

400

This system takes the hamburgers and pizza you eat and breaks them down into energy your cells can use.

Digestive

400

Believe it or not, this is actually the largest organ on your body, covering you completely from head to toe.

Skin

400

Your liver, stomach, and intestines are all located in this lower belly region.

Abdomen

400

Your muscles are attached to your bones by tough cords so that when the muscle pulls, it creates this.

Movement

500

If you drew an invisible line straight down the exact middle of your body from head to toe, you would divide it into these two equal halves.

Left and Right (Midline)

500

Led by the brain, this system sends fast electrical signals to tell your muscles when to move.

Nervous

500

Food travels down your throat and lands in this acid-filled, J-shaped pouch to be churned up.

Stomach 

500

These two small, bean-shaped organs sit in your lower back area and are responsible for filtering blood to make urine.

Kidneys

500

The human body loves stability. Whether it is a freezing winter day or a scorching summer afternoon, your body works hard to keep your internal temperature right around 98.6°F. What is the general biology term for this state of internal balance?

Homeostasis