Breathing and respiration Flashcards
what is Gas exchange in humans
respiration
what is aerobic respiration
A chemical process in which oxygen is used to make energy from carbohydrates
key structures of the respiratory system
Nose.
Mouth.
Throat
Voice box
Windpipe
Large airways
Small airways
Lungs.
How the respiratory system is adapted for efficient gas exchange
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface.
How the lungs stay clean
the lungs stay clean by the human coffing.
Key structures of the heart
Your heart has a left side and a right side, they are separated by a thin muscular wall called the Septum.
how dose the blood traps oxygen
the blood traps oxygen In tiny blood vessels in the lung,
The role of diffusion
particles from areas of high concentration to areas of low concentration.
how are the lungs adapted to assist diffusion
large surface area
thin walls
rich blood suply
