Muscle Cell B. Which of your cells would yo expect to contain more mitochondria: a. Anaerobic respiration produces yeast or lactate. 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. The oxygen is transported to the body cells through the blood vessels. At the lungs the oxygen gets into the blood vessels and then they are carried off by the hemoglobin present in RBCs. Lactate buildup and lack of oxygen are the reasons for muscle fatigue and labored breathing during hard exercise. Why do we need to breathe oxygen? For example, brain cells can only go without oxygen for three minutes before they begin to die. (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. 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. When exercising, the body uses oxygen more quickly than it is taken in; anaerobic respiration provides lactate to keep the muscles moving. Cellular respiration is the process cells use to make energy. 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 Without oxygen in the body, cells can function for only a limited period. The body needs approximately 352.8 liters of oxygen per day when the body is at rest. A. Humans need oxygen to provide nutrients to all of the cells in their bodies. Firstly the question answered: Why does the brain need oxygen? to carry out cell activities. - it does not need oxygen. Our body cells need oxygen to do this process, although other organisms, like yeast or bacteria, don't always need it. Anaerobic respiration does not use oxygen. Why Oxygen Is Important Oxygen is important because it makes aerobic respiration possible by accepting electrons from the transport chain in the mitochondria. ... Why do cells need energy? Body cells use oxygen to convert stored energy. After three minutes of no oxygen, permanent brain damage begins to spread throughout the brain's tissues. Humans need oxygen to provide nutrients to all of the cells in their bodies. When the oxygen molecules reach the body cells the process of breaking the food particles get started. Skin Cell Why? If tissues and cells go without oxygen, then they begin to die quickly. What does glycolysis give off? 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