Respiratory System Flashcards
What is Cellular respiration
Cellular respiration is the release of energy from food. It takes place in the cells of the body
What is external respiration
It is the name given to the way organisms take in oxygen for respiration and get rid of carbon dioxide and water vapour, which are the wastes from respiration.
What is external respiration also known as
It is also called breathing
What if the function of the respiratory system
To breathe
What is respiration
It is the release of energy from food
What can respiration use or not use
Oxygen can be used in respiration(aerobic respiration) and may occur without the use of oxygen(anaerobic respiration)
What organs are involved in the respiratory system
The nose, trachea, bronchi(bronchus), lungs, bronchial(bronchiole), alveoli(alveolus), intercoastal muscles and the diaphragm
What is the function of the nose
To take in air and filter the air with its tiny hairs
What is the function of the trachea
Takes air down to the lungs
What is the function of the bronchus
A tube that Carrie’s air down into the lungs
What is the function of the lungs
Gaseous exchange
What is the function of the bronchiole
Small tubules from the bronchus to carry air within a lung
What is the function of the alveolus
Air sacs for gaseous exchange
What is the function of the intercoastal muscles
Cause the chest to expand and contract
What is the function of the diaphragm
Cause the volume of the chest to increase and decrease
How many alveoli are in each lung approximately
300 million alveoli in each lung
What has extremely thin walls
Alveoli have extremely thin walls
How does the oxygen get into the blood stream from the alveoli
The oxygen in the alveoli moves through their walls and through the walls of the capillaries into the blood
How does the carbon dioxide get to the alveoli to exit the body
The carbon dioxide in the blood of the capillaries moves through their walls and through the walls of the alveoli into the inside of the alveoli
How do the nose and lungs interact with the respiratory system
The nose helps filter and moisten the air before it reaches the alveoli in the lungs
How do the trachea, bronchi and bronchioles interact with the respiratory system
They are a system of tubes that work together to bring the air down to the lungs and up from the lungs
How do the intercoastal muscles and the diaphragm interact with the respiratory system
The intercoastal muscles and the diaphragm contract at the same time to draw air into the lungs
The intercoastal muscles and the diaphragm relax at the same time to push air out of the lungs
What does pulmonary mean
Something to do with the lungs
What does the heart do
The heart pumps blood through the pulmonary artery to the lungs
What is gaseous exchange?
It involves oxygen passing from the alveolus into the capillary and carbon dioxide and water vapor passing from the capillary into the alveolus.
What is lime water sued for?
Lime water (calcium hydroxide) is used to prove that there is more carbon dioxide in exhaled air than inhaled air.
What does exercise increase?
It increases the breathing rate because more oxygen is required to release energy.
This movement of gas in the alveoli is called
The movement of gas is called diffusion
