Respiratory System I
Another name for Inhalation
What is Inspiration?
The muscular movement that brings air into and out of the body.
What is breathing?
Bones that protect the lungs and heart
What is the Ribs?
How many lungs are there in the respiratory system and which is smaller?
What is two lungs and the left lung?
The [two] functions of the respiratory system.
What is to supplying oxygen to the blood and removing and expelling waste gases, the main one being carbon dioxide?
The effect that low temperatures and resting have on breathing rate?
They DECREASE breathing rate.
The swapping of carbon dioxide for oxygen.
Gas exchange
During ________ the volume of the lungs increase and the pressure decreases.
Percentage of oxygen in exhaled air
What is 16%?
Percentage of nitrogen in inhaled air?
what is 78 %?
List three sets of tubes from largest to smallest in the resiratory tract/system.
TRACHEA, BRONCHI and BRONCHIOLES
Tissue flap at the entrance to the trachea that closes when you swallow to keep food and liquids out of your airway.
What is an epiglottis?
Muscle that helps your lungs pull in air and push it out
What is a Diaphragm?
In which organelle does aerobic respiration take place?
The mitochondrion
Hollow organ that allows you to talk and make sounds when air moves in and out
What is the Larynx?
What happens during cellular respiration? (name reactants and products)
What is the cell uses oxygen to break down sugar. oxygen is used, carbon dioxide is produced, and energy is released.
What effect do exercise and increased altitude have on breathing rate?
They INCREASE the breathing rate
During_______ the ribcage moves downward and inward and the diaphragm domes upward
exhalation/expiration
The alveoli are shaped like a bunch of _______ but during emphysema take on the shape of an_______ as the alveolar walls break down.
grapes.......orange
In order to flatten, what happens to the diaphragm?
It contracts