Energy needed for all life processes in plants and animals is provided by respiration
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name some life processes that require energy from respiration
muscle contraction , protein synthesis and control of body temperature in mammals.
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what is aerobic respiration and where does it take place
The release of energy from glucose in the presence of oxygen that takes place inside all cells
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why does respiration go faster during exercise ?
muscles demand for more energy so respiration must go faster to release mre energy
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why does breathing and pulse rate increase during exercise
to deliver oxygen and glucose to muscles more quickly and remove carbon dioxide from muscles quickly
5 of 24
how can you investigate how heart rate responds to energy
take your resting heart rate , then take heart rate immediately after exercise , then take it every minute until it returns to resting
6 of 24
what is the recovery rate and what is it a measure of?
this is how long it takes for the heart rate to return to resting rate after excercise. Recovery rate is a measure of fitness
7 of 24
what formular can you use to compare respiration rates
Respiration quotient (RQ) = carbondioxide produced ÷ oxygen used
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what is the word equation for aerobic respiration
glucose + oxygen --> carbon dioxide + water + energy released
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what is the formulae equation for aerobic respiration
C6H12O6 + 6O2 → 6CO2 + 6H2O + energy released
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what does respiration result in production of
ATP
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what is ATP used for
it is used as the energy source for many processes in cells
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why is the rate of respiration influenced by ph or temperature
because respiration is an enzyme controlles reaction
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why is the rate of oxygen consumption an estimate of metabolic rate
because aerobic respiration requires oxygen
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When does anaerobic respiration occur
when muscles are working so hard that the lunds and circulatory system cant deliver enough oxygen to break down all the available glucose through aerobic respiration
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true or false anaerobic respiration takes place in the presence of oxygen
false anaerobic respiration only takes place in the abscence of oxygen
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how does anaerobic respiration release energy? is it alot of energy compared to aerobic respiration?
Anaerobic respiration quickly releases a small amount of energy through the incomplete breakdown of glucose. S o much energy is released than in anaerobic respiration
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what is produced during anaerobic respiration
Lactic acid
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why is lactic acid dangerous in the cells
It is toxic to the cells, and when it builds up in the muscles , it can cause pain ( CRUMP ) and a sensetion of fatigue in the muscles
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what happens during hard exercise and there is lack of oxygen in the cells
Incomplete breakdown of glucose occurs . The lactic acid must be broken down quickly to avoid cell damage and relieve the feeling of fatigue
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why does deep breathing continue immediately after anaerobic exercise
so that oxygen is taken in to break down lactic acid ( producing carbon dioxide , water and more energy )
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why does your heart rate stay high immediately after anaerobic respiration
To pump blood through your muscles to remove the lactic acid and transport it to the liver to be broken down.
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why is the anaerobic respiration process sometimes referred to as 'repaying the oxygen debt'
Because the body is taking in the oxygen that wasnt available for aerobic respiration during exertion.
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what is the word equation fr anaerobic respiration
glucose --> lactic acid + small amount of energy released
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Other cards in this set
Card 2
Front
name some life processes that require energy from respiration
Back
muscle contraction , protein synthesis and control of body temperature in mammals.
Card 3
Front
what is aerobic respiration and where does it take place
Back
Card 4
Front
why does respiration go faster during exercise ?
Back
Card 5
Front
why does breathing and pulse rate increase during exercise
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