The reaction is called aerobic respiration because oxygen from the air is needed for it to work. Here is the word equation for aerobic respiration: glucose + oxygen → carbon dioxide + water (+ energy) (Energy is released in the reaction. We show it in brackets in the equation because energy is not a substance.) Now we will look at how glucose and oxygen get to the cells so that respiration can take place and how we get rid of the carbon dioxide.
http://www.bbc.co.uk/bitesize/ks3/science/organisms_behaviour_health/life_processes/revision/3/
Respiration is a chemical reaction that happens in all living cells. It is the way that energy is released from glucose, for our cells to use to keep us functioning. Remember that respiration is not the same as breathing (which is properly called ventilation).
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In order to get the oxygen to the cells humans need to breathe air into the lungs. The lungs are where gas exchange takes place between the air and the blood. Therefore breathing is only a physical action at the start of the whole respiration process for humans. Breathing is often called external respiration.
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Carbon dioxide from cells to the air. The carbon dioxide produced during respiration diffuses out of the cells and into the blood plasma. The blood carries it to the lungs. It then diffuses across the walls of the alveoli and into the air, ready to be exhaled.
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Aerobic respiration takes place inside the cell. All cells need an energy supply to carry out their functions. The food and oxygen are transported to the cells in humans by the blood in the circulatory system.
http://www.mcqueens.net/mcqueen-ntl/dis/toc_/Pt20.html
The Respiratory System is vital to every human being. Without it, we would cease to live outside of the womb. Let us begin by taking a look at the structure of the respiratory system and how vital it is to life. During inhalation or exhalation air is pulled towards or away from the lungs, by several cavities, tubes, and openings. The organs of the respiratory system make sure that oxygen enters our bodies and carbon dioxide leaves our bodies. The respiratory tract is the path of air from the nose to the lungs. It is divided into two sections: Upper Respiratory Tract and the Lower Respiratory Tract. Included in the upper respiratory tract are the Nostrils, Nasal Cavities, Pharynx, Epiglottis, and the Larynx.
https://en.wikibooks.org/wiki/Human_Physiology/The_respiratory_system
The lungs are the organs where gas exchange takes place. The breathing movement occurs when the diaphragm and intercostal muscles move causing the chest cavity to change in size. An average individual takes about 15,000 breaths per day.
http://www.mcqueens.net/mcqueen-ntl/dis/toc_/Pt20.html
Process of Respiration: Physiological. For humans and other oxygen-breathing vertebrates, the process of respiration takes place within the lungs, driven by a series of mechanics called inhalation and exhalation. These are the biological mechanisms that make up breathing. We breathe in to take in oxygen, and breathe out to expel carbon dioxide!
https://blog.udemy.com/process-of-respiration/
There are also two different types of respiration: cellular and physiological, the latter of which concerns the process of breathing and the respiratory system. In this guide, we’ll cover physiological respiration, and touch a bit on cellular respiration and its two types: aerobic and anaerobic.
https://blog.udemy.com/process-of-respiration/
There are two types of physiological respiration in animals: internal respiration, and external respiration. Internal respiration is the process of cells in the body exchanging gases, while external respiration is the process of respiration that actually takes place within respiratory organs like the lungs.
https://blog.udemy.com/process-of-respiration/
how breathing takes place in human
During inhalation or exhalation, air is pulled towards or away from the lungs by several cavities, tubes, and openings to ensure that oxygen enters our bodies and carbon dioxide leaves our bodies. 