I am the control center of your whole body, thinking, feeling, and remembering everything. What am I?
Brain
I am the main dome-shaped muscle under your lungs that moves down when you inhale. What am I?
Diaphragm
I am a tough, hard helmet that protects your brain from bumps and hits. What am I?
skull
I am a muscular pump about the size of your fist that works non-stop every second of your life. What am I?
heart
I am a stretchy muscle bag that uses acid and churning motions to turn your food into liquid paste. What am I?
Stomach
: I am a long highway of nerves running down your back, protected by bones. What am I?
Spinal court
I am the waste gas your body exhales out through your lungs. What am I?
Carbon Dioxide
I am the longest and strongest bone in your entire body, located in your thigh. What am I?
Femur
I carry oxygen-poor blood back toward the heart and usually have valves inside me. What am I?
vein
I am very long and folded up; my villi absorb most nutrients from your digested food into the bloodstream. What am I?
Small Intestine
I am the basic cell unit of the nervous system, sending electrical messages everywhere. What am I?
nerve cell
We are the two main spongy organs in your chest that expand when you breathe in. What are we?
Lungs
I am the place where two or more bones meet so you can bend, twist, or hinge. What am I?
Joint
I am a thick-walled blood vessel that carries oxygen-rich blood away from the heart. What am I?
artery
I absorb water from remaining food waste and prepare solid waste to leave the body. What am I?
Large Intestine
I am the largest part of the brain, controlling your thinking, memory, and voluntary movements. What am I?
cerebrum
I am the gas in the air that your body needs to survive with every breath. What am I?
Oxygen
I am tough tissue that connects one bone directly to another bone at a joint. What am I?
Ligament
I am the red cell carrying hemoglobin that delivers oxygen across your entire body. What am I?
Red Blood Cell
I produce bile to help break down fats and act as the body's major chemical filter. What am I?
liver
I sit at the back of your brain and help you balance, stand tall, and coordinate your movements. What am I?
Cerebellum
We are the two large main branches that split off the trachea into each lung. What are we?
Bronchi
I am smooth, flexible tissue that cushions the ends of your bones so they don't rub together. What am I?
Cartilage
I am the defender cell that fights off germs, bacteria, and infections. What am I?
White Blood Cell
I produce insulin to regulate blood sugar and secrete enzymes into the small intestine. What am I?
Pancreas