Respiratory And Circulatory System Flashcards
Respiratory system
Made up of the organs in the body that help us to breathe.
Nose
The entrance of oxygen and exit of carbon dioxide.
Nasal passages
It filter and warm the air, and make it moist before it goes into the lungs
Trachea
Another name for this is windpipe. A hollow tube inside the neck.
Bronchi
Direct the air you breathe to your right and left lungs.
Bronchioles
Hair-like tubes in the lungs.
Alveoli
A.K.A air sacs. It is where the exchange of gas happens.
Diaphragm
Major muscle of respiration. It is placed below the lungs.
What happens to your diaphragm when you inhale?
The diaphragm contracts.
What happens to your diaphragm if you exhale?
It relaxes.
Circulatory system
The life support structure that nourishes your cells with nutrients from the food you eat and oxygen from air.
Heart
Pumps the blood throughout the body
Blood vessel
Carries the blood throughout the body
What are the parts of blood vessel?
Arteries, veins, and capillaries
Arteries
Carry oxygenated blood away from the heart to the cells, tissues, and organs