The cellular respiration is a complex biological process that breaks down sugars, fat and proteins and transforms these materials into energy for the functioning of the organism. (Lansing State Journal, January 31, 1996) In order for humans to survive, our bodies have figured out various ways to extract energy from out surroundings. Our body cells need oxygen to do this process, although other organisms, like yeast or bacteria, don't always need it. Lactate buildup and lack of oxygen are the reasons for muscle fatigue and labored breathing during hard exercise. After three minutes of no oxygen, permanent brain damage begins to spread throughout the brain's tissues. Anaerobic respiration produces yeast or lactate. to carry out cell activities. - it does not need oxygen. The body needs approximately 352.8 liters of oxygen per day when the body is at rest. When the oxygen molecules reach the body cells the process of breaking the food particles get started. This process, which is called cellular respiration, allows the cells to harness energy to perform vital functions such as the movement of materials into and out of cells. A. The humans breathe approximately 432 liters of oxygen per day, and that oxygen helps the tissues in the human body function properly. The brain uses 3 times as much oxygen as muscles in the body do Why Oxygen Is Important Oxygen is important because it makes aerobic respiration possible by accepting electrons from the transport chain in the mitochondria. Without oxygen in the body, cells can function for only a limited period. Body cells use oxygen to convert stored energy. The oxygen is transported to the body cells through the blood vessels. Anaerobic respiration does not use oxygen. ... Why do cells need energy? Firstly the question answered: Why does the brain need oxygen? Muscle Cell B. One of the ways is with food, which provides out cells with raw materials to make, repair and replace out cells … Humans need oxygen to provide nutrients to all of the cells in their bodies. Skin Cell Why? Why do we need to breathe oxygen? Humans need oxygen to provide nutrients to all of the cells in their bodies. When exercising, the body uses oxygen more quickly than it is taken in; anaerobic respiration provides lactate to keep the muscles moving. What does glycolysis give off? Cellular respiration is the process cells use to make energy. Which of your cells would yo expect to contain more mitochondria: a. Oxygen is a requirement to produce energy; Since the brain is a massive consumer of energy; it subsequently requires huge amounts of oxygen traveling through the blood stream. Overly, there are lots of other reasons why the human body requires sufficient oxygen supply to breathe and, therefore, survive, and these include: Cellular respiration; The human body cells need oxygen for aerobic cellular respiration, which is the primary process by which stored energy is converted into a usable form. If tissues and cells go without oxygen, then they begin to die quickly. For example, brain cells can only go without oxygen for three minutes before they begin to die. Several factors are needed to continuously supply the cells and tissues in your body with oxygen: There must be enough oxygen in the air you are breathing; Your lungs must be able to inhale the oxygen-containing air — and exhale carbon dioxide Muscle Cell Because muscle cells need more energy than skin cells. At the lungs the oxygen gets into the blood vessels and then they are carried off by the hemoglobin present in RBCs.

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