exersise

Question 1

exercise increases the

Answer 1

heart rate

Question 2

the muscles are made up of what cells

Answer 2

muscle cells

Question 2

the muscles use what to what

Answer 2

oxygen to release energy

Question 3

they relases energy from using

Answer 3

glucose

Question 4

when exercising

Answer 4

the muscles contract through glucose

Question 4

an increase of exercise will require

Answer 4

more oxygen and glucose

Question 5

also more …………………………will be removed

Answer 5

carbon dioxied

Question 6

physical activity dose 4 things what are they ?

Answer 6

increase breathing rate
breath more deaply
increase the rate at which your heart pumps
dilutes the artries

Question 6

glycogen is used during exersice and is stored as

Answer 6

glycogen NOT GLUCOSE

Question 7

glycogen is stored where

Answer 7

the liver

Question 8

but what do each muscle do

Answer 8

have there own store of glycogen

Question 8

during exersis what is used up

Answer 8

glucose

Question 9

if glucose runs out what do the muscles rely on

Answer 9

glycogen stores

Question 10

when the glycogen levels run low then the muscles

Answer 10

dont get energy and will stop contracting and and get tired

Question 10

anaeribic respiration is where

Answer 10

there is no or little oxygen

Question 11

when you exersise you body cant always supply ………..

Answer 11

oxygen

Question 12

if there is no oxygen the the glucose is broken down and creates

Answer 12

lactic acid

Question 12

if there is no oxygen getting to the muscles then the muscles have to respire

Answer 12

anaerobically

Question 13

the word equation for lactic acid

Answer 13

glucose ——–>energy +lactic acid

Question 14

why is this not the best way of producing energy

Answer 14

it builds up lactic acid which gets painful

Question 14

another down side is

Answer 14

it dosnt produce as much energy

Question 15

an advantage is that it allows

Answer 15

your muscles to work for longer

Question 16

anerobic respiration can lead to

Answer 16

oxygen dept

Question 16

oxygen dept is where

Answer 16

you have to repay the the muscles oxygen

Question 17

you have to repay as your heart lungs and blood couldnt

Answer 17

keep up

Question 18

what do you do after exercise if you have oxygendept

Answer 18

you breath hard

Question 18

what dose your abrain detect

Answer 18

high levels of co2 and lactic acid

Question 19

what is done to solve this

Answer 19

pilse is raised and the breathing rate increases