Vocabulary Words


Blood -  Blood is the red liquid that carries oxygen from your lungs and nutrients from your food to every part of your body.


Blood Vessels - Your blood travels all around your body through tubes called blood vessels.


Bones - Bones are strong and hard.  They make a frame called a skeleton to support your body.



Brain - You think with your brain and make sense of the world around you.

Disease - A disease makes you feel sick.  Sometimes you might need an injection to protect you.


Energy - People use energy from food to keep warm, to grow, and to move.


Germs - Germs carry diseases.


Heart - Your heart is a strong muscle that pumps blood all through your body.

Joints - Joints are where your bones are joined together.  They allow your body to bend and move.  Knees and elbows are joints.


Lungs - You have two lungs that are like bags inside your chest.  They fill up with air when you breathe in and empty when you breathe out.


Muscles -  Muscles are attached to your bones so that you can move them.  Other muscles help you breathe and swallow food.  Your heart is an example of a muscle.


Nerves - Nerves connect your brain to the rest of the body.  They take messages to and from your brain.


Oxygen - Oxygen is a kind of gas that is part of the air we breathe.  Our bodies need oxygen to work.


Ribs -  Your ribs are the bones that make a cage that protects your heart and lungs.

Saliva - Saliva is a liquid that is made in your mouth.  It helps food to break down when you swallow it.


Skull - Your skull us the bone in your head that protects your brain and gives your head a shape.

Stomach - When you eat, your food goes into your stomach, where juices break down into very tiny pieces.


Tendons - Tendons are strong cords that attach your muscles to your bones.