Question | Answer |
What is respiration? | The release of energy from food |
What is aerobic respiration? | When oxygen is needed to release energy from food |
What do we breathe in? | Oxygen |
Wat do we breathe out? | Carbon dioxide |
What are the parts of the breathing system? | Nose, trachea or windpipe,bronchus and bronchioles,alveous,the diaphram |
What is the function of the nose? | When we inhale through the nose, the hairs and mucous in the nose trap the dirt particles and bacteira |
What is the function of the trachea or windpipe? | Carries air to and from the lungs |
What is the function of the bronchus and bronchioles? | Each bronchus carries air between the windpipe and the lungs, the bronchioles carry air to and from the air sacs or alveoli |
What is the Alveolus? | Tiny air sacs in the lungs, the function of it is for gas exchange |
How much nitrogen do we inhale and how much do we exhale | Inhale 78% exhale 78% |
How much oxygen do we inhale and how much do we exhale? | Inhale 21% exhale 16% |
How much carbon dioxide do we inhale and how much do we exhale? | Inhale 0.04% exhale 4% |
How much water vapour do we inhale and how much do we exhale? | Inhale(variable) exhale(much higher than inhaled air) |
What is the diaphragm? | A sheet of muscle that forms the base of the chest. It causes air to move in and out of the lungs |
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