Respiratory System 1
Commonly called the windpipe, this structure is strengthened by rings of cartilage.
trachea
A group of organs that do a particular job
Organ System
This process is the result of air rushing into the lungs
Inhalation, expansion of the chest cavity. increased lung volume, decreased lung pressure.
From the air sacs/alveoli, where does the oxygen pass into the blood from which blood vessels?
the capillaries
blood vessels that carry blood away from the heart
arteries
These air passages divide from the windpipe at the bottom of the trachea into the left and right lung.
bronchi
The system that takes in oxygen from the air so that it can be delivered to all body cells
Respiratory system
Organs are made up of a group of cells called...
tissue
Bones that protect the lungs are the ...
rib cage
tiny blood vessels that deliver the blood to the body's cells
capillaries
What is the name of the largest muscle (singular) that pulls air into the lungs?
the diaphragm
respiration
The function of the lungs is to...
Take in oxygen from the air and release carbon dioxide, a waste gas, from the body.
Hollow organ that allows your to talk and make sounds when air moves in and out to create vibrations along our vocal cords.
The larynx (voicebox)
Physical activity causes breathing rate to do what?
increase
blood vessels that carry blood back to the heart
veins
Where oxygen and carbon dioxide changes places in the lungs.
the alveoli
This pulls down and causes air to rush into the chest cavity.
Diaphragm
the tubes that carry blood throughout every part of the body
blood vessels
What is the sticky coating that is secreted by cells along your respiratory tract?
Mucous
What are the tiny balloon-like sacs that look like bunches of grapes where carbon dioxide in the blood is exchanged for oxygen?
Alveoli
Where does air enter the body?
nose or mouth
what is the muscular organ that pumps blood throughout your body
The heart
What is the main organ of the respiratory system?
Lungs
Name two things that nose hairs do for the respiratory system.
1. Keeps pathogens/debris out of the nose.
2. Warms the air going in.