Science quarter 1 w1 Flashcards
We breathe bout ___ of air per second
1 liter per second on
average
What makes blood red?
oxygen/alternate answer: hemoglobin
___ expands to make space for air/
diaphragm
Removes gas into and out of the blood
Respiratory System
Another name for respiratory system?
Human breathing system
O2?
Oxygen
CO2
Carbon Dioxide
Oxygen and carbon dioxide are carried by ____ to and from alveoli.
Blood
Oxygen and carbon dioxide are carried by blood to and from ___.
Alveoli
_____ and ______ are carried by blood to and from alveoli.
Oxygen and carbon dioxide
Lungs have ____, ____, and _____
Bronchi, bronchioles, and alveoli
Where gas exchange occurs in the lungs
Alveoli
Diffuses from alveoli to capillary.
Oxygen
Binds hemoglobin in red blood cells.
Oxygen
Diffuses from capillary to alveoli
Carbon dioxide
Life support structure that nourishes your cell. Moves blood to your body parts.
Circulatory system
Pumps blood throughout the body
Heart