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Setler79 [48]
3 years ago
12

What is respiration?

Health
2 answers:
Fynjy0 [20]3 years ago
8 0

Answer: Respiration is a metabolic process common to all living things.

Explanation:  When you hear the word 'respire,' you probably think of breathing. When you breathe, you are taking in oxygen with each inhale and releasing carbon dioxide with each exhale. This gas exchange is important for respiration, but while breathing is a physical process, respiration can be thought of as more of a chemical process. All organisms, from a single bacterial cell to a coral reef colony to a blue whale, undergo respiration.

Food molecules absorbed after digestion are taken in, broken down, and the energy freed in the process is used to power the organism's movements and physiological functioning. Respiration is the biochemical process in which the cells of an organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP (the currency of energy in cells).

When we examine the equation for cellular respiration, we see that the reactants are glucose and oxygen (for aerobic respiration), and the products are carbon dioxide, water, and ATP. Note the number of oxygen, carbon dioxide, and water molecules involved in each 'turn' of the process.

SCORPION-xisa [38]3 years ago
7 0

Answer:

B. a photochemical reaction

Explanation:

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6 0
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Answer:

Analyzing Childhood Obesity Trends

A graph titled Childhood and Adolescent Obesity Rates shows years on the horizontal axis and percent on the vertical axis. Obesity increased from 5% to 14% in children ages 2 to 5. Obesity increased from 4% to 20% in children ages 6 to 11. Obesity increased from 6% to 10% in children ages 12 to 19.

Which obesity trends are represented in this graph? Check all that apply.

1 Obesity rates for children aged 2–5 doubled.

2 Obesity rates for all age groups increased.

3 Obesity rates for individuals aged 12–19 increased the most.

4 Obesity rates for children aged 6–11 increased the least.

5 More than 15% of all children aged 6 and over were obese in 2008.

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Explanation:

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3 years ago
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