Inspiration
Breathing in
The blood from the right side of the heart goes to the
The lungs
digestion starts here
mouth
Nose
Full of hair and mucus to filter what enters
Upper right chamber of the heart
Right Atrium
Breathing out
Expiration
Blood goes through this valve as it goes to the aorta
Aortic Valve
Example of mechanical digestion
Chewing with your teeth
Hollow area behind the nose
Nasal Cavity
This leaves the aorta and goes to the rest of the body
Oxygenated Blood
The brain regulates this
Rate of breathing
Arteries
Carry oxygen rich blood away from the heart
Where food moves down from the mouth to the stomach
Epiglottis
"door" that directs air to the trachea and food to the esophagus.
The chamber that pumps the most blood
Left Ventricle
Where O2 and CO2 are exchanged in the lungs
Alveoli
Veins
return oxygen poor blood to the heart
Is a filter for the body
Liver
Bronchi
branches at the bottom of the trachea
Septum
Space in between the left and right sides of the heart
This is the process that allows CO2 and O2 to be exchanged
Diffusion
This goes from the heart to the rest of the body
Oxygenated blood
3 things the Digestive system does
breaks down food, absorbs nutrients and removes waste
Voice box
Larynx
Why would your heart begin to pump faster
to increase oxygen intake