Nervous System
This organ is the boss of your entire body and controls everything you do — even breathing and blinking.
The brain
What is the process of taking air into the body and letting air out?
Breathing
What red liquid carries oxygen, nutrients, and waste through the body?
Blood
What is the process of breaking food into smaller pieces so the body can use it?
Digestion
What structures give our bodies shape and protect our organs?
Bones
what is the long bundle of nerves that carries messages between your brain and body.
the spinal cord
What are the two balloon-like organs used for breathing?
The lungs
What blood vessels carry blood away from the heart?
Arteries
Where does digestion begin in the body?
In the mouth
What body parts allow us to move by pulling on bones?
Muscles
What do we call the special cells that carry messages through the nervous system?
Neurons
What is the tube called that carries air from the throat down to the lungs?
The trachea
What is the organ that pumps blood to the entire body?
Heart
What is the long tube that carries food from the mouth to the stomach?
The esophagous
What do we call the place where two bones meet?
A joint
What do we call the fast electrical signals sent through nerves?
Impulses
What tiny air sacs in the lungs allow oxygen to enter the blood?
The alveoli
What two main things does the circulatory system transport around the body?
Oxygen and Nutrients
What organ absorbs most nutrients from digested food?
The small intenstine
What strong tissue connects muscles to bones?
What part of a neuron receives messages from other nerve cells?
Dendrite
What large muscle under the lungs helps with breathing in and out?
The diaphragm
What blood vessels carry blood back toward the heart?
Veins
What organ helps clean the blood and stores extra sugar for later energy?
The liver
What smooth, flexible material cushions bones at the joints and prevents them from rubbing together?
Cartilage