Our body needs to pull this out of the air in order to survive.
What is oxygen?
This is where digestion starts.
What is the mouth?
A group of cells of the same kind working together to form a function are called this.
What is tissue?
The humans have about this many cells.
What is 30 trillion?
Name four sources cells need to stay alive.
What are water, food (nutrients), gas exchange and waste disposal?
The lungs aid cells in this gas exchange.
What is oxygenate carbon dioxide?
This is the last stop in the digestive system journey.
What is the colon?
Air sacs in your lungs are surrounded by these:
What are capillaries?
These are the main filters of your body.
What are your kidneys?
Name three "passengers" in the blood, and if possible, what their job is.
What are nutrients, waste, red blood cells (oxygen), and white blood cells (fight infection)
Name 2 ways to keep your lungs healthy.
What are - exercise, don't smoke, don't vape, breathe deeply,