science first quarter

a system that is also known as the human breathing system, and it takes in oxygen and expell carbon dioxide

nose and mouth, nasal cavity, pharynx and larynx, Trachea, lungs, bronchi, bronchioles, alveoli

entrance of oxygen in our body

after the oxygen enters our body, it will pass through nasal cavity. this will make the air clean, warm, and damp from any other unknown particles

Is also known as a windpipe. it serves as the passageway for oxygen into our lungs

pharynx is our throat, and larynx is our voice box

it facilitate gas exchange from the environment into the blood stream

is the two branching tubes that connects the trachea to the lungs

are the hairlike tubes that connects the alveoli

are airsacs that allows gas exchange in our lungs

oxygen enters our body our ribs will move outwards our chest space increases

we expell carbon dioxide our ribs will move inward our chest space decreases

the scroll-shaped bony element forming the upper chamber of the nasal cavity. it provides humidification, rapid warming, and increases the surface area of cavity

is the beginning of each nasal passages

it enables the exit and entry of air or other gasses through the nasal cavity

the pair of bones that forms the dominant portion of the face

connects your nasal passages to the rest of respiratory system

allows air or other fluid to pass through