Digestive
Where does the process of digestion begin?
In the mouth
The muscle that lets our lungs expand and contract is the ___.
Diaphragm
What does the circulatory system do?
Sends oxygen rich blood to cells throughout your body and returns blood with Carbon Dioxide to the lungs to be exhaled.
What does your nervous system do?
Carries information between your body and brain.
What actions happen when we sleep without thinking about them?
breathing, heart beating
What muscular tube pushes food from the mouth to the stomach?
Oesophagus
Our lungs force ___ into our blood cells, and remove ____ from blood cells.
Oxygen , Carbon Dioxide
What organ pumps blood throughout your body?
Heart
Is the nervous system a one way, or two way system?
two way
What bone protects your brain?
skull
This organ breaks down food using acids.
Stomach
The tube that carries air between the nose and lungs is a _____.
Bronchus
What are the tubes tubes called that carry your blood?
arteries, veins, and capillaries
What are the three parts of your nervous system?
brain, spinal cord, and nerves
Your brain has 86 billion ____ which talk to each other through electric pulses.
neurons
This organ produces acids that further break down food.
Pancreas
Oxygen rich blood is sent from the lungs to the ___ to be circulated through the body.
Heart
Which is larger, an artery or a vein?
an artery
How does the nervous system help you move?
It sends signals to your muscles.
true or false Your organs can sometimes repair themselves?
true
This organ removes toxins from our blood and helps us use some nutrients.
Liver
The heart sends blood carrying ____ to the lungs.
Carbon Dioxide
Which is larger, a vein or a capillary?
a vein
What information is sent back to the brain through the nerves?
pain signals, and sensory information
What "system" helps you fight infections to stay healthy?
immune system