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We breathe in all gases present in the air. The two most abundant constituents of air are nitrogen and oxygen.

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External respiration involves?

External respiration is the exchange of gases between each lung and blood. It involves inhaling gases from the organisms external environment, and then exhaling the gases back out.


What are the two gases increase or decrease during inhaling and exhaling?

During inhalation, the levels of oxygen in the body increase as oxygen is taken in from the air. During exhalation, the levels of carbon dioxide in the body increase as carbon dioxide is expelled from the lungs.


Are you inhaling or exhaling when the gases inside the lungs are pushed out through air passages?

am doing that in my science class right now. am tryna figure out the same thag. help me! :)))


What's the difference between respiration and breathing?

Respiration is the process of exchanging gases in the body, involving both breathing and cellular processes. Breathing specifically refers to the act of inhaling and exhaling air.


What is difference between breath and breathe?

Breathing is act of passing air in and out through nostrils. Respiration is exchange of gases such as taking in oxygen and passing out carbondioxide by every living cell of the body.


What two gases increase or decrease during inhlaing and exhaling?

Oxygen and carbon dioxide increase and decrease in the lungs.


Pathway of gases when inhaling and exhaling?

When inhaling, air enters through the nose or mouth, travels down the trachea, then branches into bronchi, bronchioles, and finally into alveoli in the lungs where gas exchange occurs. Oxygen is taken up by the blood while carbon dioxide is released into the alveoli. When exhaling, the process reverses as the diaphragm and intercostal muscles relax, pushing air out of the lungs through the same pathway.


Do plants need to carry out resperation?

Yes, they do. In Biology, respiration is the process in which atmospherical gases, like oxygen or carbon dioxide, exchange with inner organisms gases; for most us, respiration is the process of inhaling and exhaling. The most common gas exchange in nature is oxygen forcarbon dioxyde and viceversa.


What does the restpatory system do?

The respiratory system is responsible for breathing, which involves the process of inhaling oxygen and exhaling carbon dioxide. It facilitates the exchange of gases between the body and the environment to provide the necessary oxygen for cells to function and remove waste gases from the body. Key organs include the lungs, trachea, and diaphragm.


How does respiration excrete waste gases?

They are transported to lungs.Then removed by exhaling.


How is respiration different from breathing and what are the key distinctions between the two processes?

Respiration is the process of exchanging gases to produce energy, while breathing is the physical act of inhaling and exhaling. The key distinction is that respiration involves the exchange of gases at a cellular level to produce energy, while breathing is the mechanical process of moving air in and out of the lungs.


What is the breahing system organ?

The breathing system organ is the lungs. The lungs are responsible for inhaling oxygen from the air and exhaling carbon dioxide, which is a waste product of cellular respiration. They play a crucial role in the exchange of gases in the body.