EMBRYOLOGY
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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absorb oxygen into our body.
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absorb nutrients from the food that we eat.
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protect our body from bacteria
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circulate oxygen
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Detailed explanation-1: -Your respiratory system is the network of organs and tissues that help you breathe. This system helps your body absorb oxygen from the air so your organs can work. It also cleans waste gases, such as carbon dioxide, from your blood. Common problems include allergies, diseases or infections.
Detailed explanation-2: -In your lungs, air sits in small air sacs called alveoli, which are right next to blood vessels. Oxygen from the air you breathe in travels from your alveoli into your bloodstream. Carbon dioxide travels the other way, from your bloodstream into your alveoli. You then breathe the carbon dioxide out.
Detailed explanation-3: -Lungs contain specialised structures called alveoli which are the site of exchange of oxygen and carbon dioxide between the blood and air. Hence, the alveoli are responsible for absorption of oxygen into the blood.