Blood
the watery part of blood
Plasma
Two large air tubes in the lungs
Bronchi
We breathe out
Carbon dioxide
Blood Types
A, B, AB, O
the system responsible for helping us breathe
Respiratory system
Where the respiratory system starts
NOSE
True or False: The circulatory system helps us breathe
FALSE
True or False: platelets give red blood cells their color
FALSE
an action you do not have to think about to perform
Involuntary
The part of blood that carries oxygen
Red blood cells
We breathe in
Oxygen
tube in your throat that carries food to your stomach
Esophagus
thread like blood vessels where oxygen is exchanged for carbon dioxide
Capillaries
a dome shaped muscle that helps us breathe
diaphram
The part of blood that helps you fight infections
White blood cells