describe human respiratory system
Answers
The respiratory system is the organs and other parts of your body involved in breathing, when you exchange oxygen and carbon dioxide.
The human respiratory system is a series of organs responsible for taking in oxygen and expelling carbon dioxide. The primary organs of the respiratory system are the lungs, which carry out this exchange of gases as we breathe.
Answer:
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Explanation:
RESPIRATORY SYSTEM------ it is the process in which oxygen is taken in, and carbon dioxide is released , from the body . during this process there is a breakdown of food that results in the release of energy . the respiratory system in human beings consist of following organs ----
- NASAL CAVITY---
Air enters the nose through the nasal cavity. as air passes through the nasal cavity ,it gets warm up and also get filtered. the hair present in nostrils stop the dust and germs from the entering the respiratory system...
- PHARYNX------
the cavity leads into organ called the pharynx.
from the p h a r y n x air passes into a chamber called l a r y n x . the l a r y n x produces sound and is also called voice box . the opening of p h a r y n x into the l a r y n x is guarded by a called epiglottis . this closes the opening when we take in the food and it keeps it open during breathing.
- WIND PIPE.
it is a delicate muscular tube. 12th in length and 2.5 CM in diameter stop it is divided into two parts called b r o n c h i .
- LUNGS------
the b r o n c h i leads into the lungs which are situated on either side of the chest cavity. contain a number of air sacs and blood vessels. etc ...
- DIAPHRAGM------
lungs cannot move by themselves. it is the movement of the diaphragm and the muscles between the ribs of the chest wall that causes the expansion and contraction of the lungs. hence ,breaking take place ..