Flashcards
flash cards yr 9 unit7.1
Flashcards do conjunto (19)
- 1question 1 what does you body produce when it is under stress or fearyour body produces noradrenalin
- 2question 2 how does noradrenalin affect the heart-it increases/decreases the rate at which it beats
-strength of the contraction - 3question 3 by how much can noradrenalin speed up the heart rateit can speed it up by five times the normal rate
- 4question 4 how does vigorous exercise affect the heart rate-it speeds up the heart rate
-it affects the strength of contraction - 5question 5 what are receptorsspecialized cells that detect changes in stimuli
- 6question 6 what happens when you stop exercising vigorouslyyour heart rate decreases
- 7question 7 what is your body made up ofyour body is made up of cells,tissue,fat,muscles and organs
- 8question 8 what is mitochondriathe organelles in which cellular respiration occurs
- 9question 9 what is the reaction for cell respirationglucose+oxygen+water+energy
- 10question 10 what do ribosomes dothey produce proteins in a cell
- 11question 11 what do lysosomes dothey create wastes in your body
- 12question 12 what is the largest internal organthe liver
- 13question 13 what does the liver do-it breaks down hormones
-breaks down haemoglobin
-breaks down toxic substances
-converts ammonia to urea - 14question 14 what does interdependent meansomething that relies on another thing to work wth
- 15question 15 what is metabolismthe chemical process that maintains organisims
- 16question 16 what are enzymesspecial proteins in your body that can speed up a reaction
- 17question 17 how many enzymes are their in a humans bodyover 700
- 18question 18 what is a catabolic reactiona larger molecule that has been splitted onto smaller ones
- 19question 20 what is difusionmovement of particles in a substance
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- FlashCards sobre flash cards yr 9 unit7.1, criado por raed umair em 09-02-2017.
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- raed umair
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