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The Respiratory System

Horizontales
Tiny air sacs in the lungs, where oxygen enters and carbon dioxide leaves the blood.
The main passageways into the lungs, one for each lung
The inhaling of oxygen and exhaling of carbon dioxide.
A waste gas that leaves our bodies when we exhale
Tiny blood vessels.
To breathe out
The windpipe, main tube that carries air into the lungs.
Verticales
A hollow organ that connects the throat to the trachea and holds the vocal cords (voice box)
Breathing organs located in the chest
12 sets of bones in the chest that protect the lungs
Tiny hairs in the nasal passage that protects the respiratory tract from dust/foreign particles
A narrow tube inside the lungs that branches off the main bronchi.
The process of taking air into the lungs and then releasing it
Muscle between the lungs and stomach that is used when you breathe
To breathe in