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Respiration by animals, like all other physical activity, uses energy and therefore requires oxygen.

Cellular respiration most commonly also requires oxygen as an oxidizing agent, but there are less common metabolic pathways that do not require oxygen.

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Related Questions

How do body cells survive if no respiration takes place?

In the absence of respiration cells wiil survive because of fermentation and they will get energy from it.


How your cells get energy by breathing?

Body cells get energy by breathing through cellular respiration. Respiration is the process by which the oxygen we breathe in is used to oxidize food, leading to energy release.


Where is energy made in cells?

The Cells in your body get energy from cellular respiration


What cells does respiration occur in?

Human body is made up with cells . Now the process of respiration occur in every single cell of your body. The oxygen is needed by each and every cell making up your body. The cells with which our body is made up of is called the somatic cells and other types of cells also occur which are called reproductive cells. In the leg and arm's


Do your body cells always use cellular respiration and fermentation?

No, not all body cells always use cellular respiration and fermentation. Different cells in the body have different energy needs and can switch between these processes depending on factors such as oxygen availability and energy requirements. Cells like muscle cells primarily use aerobic respiration, while certain microorganisms and muscle cells can use fermentation in the absence of oxygen.


In respiration what is chemical energy converted to?

During respiration, the chemical energy is converted to heat, kinetic energy, and other forms of chemical energy, like that stored in the fat cells in our body.


A process that releases energy for your body?

Cellular respiration is a metabolic process that releases energy for the body by breaking down glucose molecules in the presence of oxygen to produce ATP (adenosine triphosphate), the main energy currency of cells. This process takes place in the mitochondria of cells and provides energy for various cellular functions and activities.


Cellular respiration occurs in what cells?

Cellular respiration occurs in all cells of the body that require energy to function, including plant and animal cells. It is the process by which cells break down glucose to produce ATP, the energy currency of the cell.


What process photosynthesis or aerobic respiration your body use to get the energy for running or riding a bike?

Your body uses aerobic respiration to produce energy for activities like running or biking. During aerobic respiration, cells use oxygen to break down glucose into ATP, the energy currency of the cell. This process occurs in the mitochondria of cells and provides the energy needed for muscle contractions and movement.


What type of cells obtain energy from cellular respiration?

All cells obtain energy from cellular respiration. Some undergo anaerobic respiration and some undergo aerobic respiration.


Do your body always use cellular respiration to break down glucose?

Not always, only when your body cells run out of energy.


How does exercise impact cellular respiration?

Exercise impacts cellular respiration by increasing the demand for energy in the body. During exercise, cells require more oxygen to produce energy through aerobic respiration. This process involves breaking down glucose and other nutrients to create ATP, the energy currency of cells. As a result, exercise can enhance the efficiency of cellular respiration and improve overall energy production in the body.