Share Revision about Respiratory & Circulatory Systems
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Heart is part of the respiratory system.
False
Lungs is where gaseous exchange happens.
True
Respiration means inhaling air.
False
Inhaled air is air that you breathe out.
False
Exhaled air has more carbon dioxide than inhaled air.
True
In the human body, blood goes through the heart twice.
True
Blood that came from the lungs is rich in oxygen.
True
Blood going to the lungs is rich in oxygen.
False
When running, we breathe in faster to get more oxygen.
True
At the muscles, oxygen is used for respiration.
True
Helium is the main component of the air we breathe in.
False
The nose has tiny hairs to filter air.
True
Leaves have tiny openings under to allow gases to move in and out.
True
The heart pumps blood to ensure that oxygen is transported to all parts of the body.
True
Blood vessels carry blood to all parts of the body.
True
There are 2 transport tubes in the plant.
True
