Managing Materials Flashcards
(20 cards)
Nasal cavity
Warms, moistens, and filters air as it is inhaled
Pharynx
Passageway for air, leads to trachea
Larynx
Voice box, where vocal cords are held
Trachea
Keeps windpipe open
- contains cilia filters air before reaching lungs
Bronchi
2 branches at the end of trachea that lead into lungs
Bronchioles
Unit of branches leading from bronchi to Lung tissue and ultimately to the air sacs
Alveoli
Respiratory units in the lung where gas exchange occurs
Diaphragm
A large dome shaped muscle located at the base of the lungs that helps with breathing
Atrium
Each upper chamber, receives blood
Ventricle
Each lower chamber, pumps blood out
Arteries
Thick walls, takes blood AWAY from the heart
Veins
Takes blood TO the heart
Capillary
Where substances are exchanged between the blood and body cells
Excretion
The process of removing waste
Urea
A chemical that comes from the breakdown of proteins
Urine
A watery fluid produced by the kidneys that contains urea and other wastes
Kidney
Major organ of excretion. Removes urea and other wastes from the blood
Ureter
Narrow tube that carries urine from one of the kidneys to the urinary bladder
Urinary bladder
Sac like muscular organ that stores urine up until it is eliminated from the body
Urethra
Small tube through which urine leaves the body