Flashcards
8B
Cards in this deck (23)
- 1going for gold8B
- 2what all living cells need to dorespire to release energy
- 3why is energy need by organismsto stay alive, to move, to make new substances
- 4what is aerobic respirationwhen it involes oxygen
- 5how is glucose suppliedfrom the digestion of carbohydrates
- 6how is glucose absorbed into the blood and carried aroun the bodyby the small intestine
dissolved in the plasma of the heart - 7the circulatory system
- 8the breathing system
- 9air sacseach one conatins tiny pockets called aveoli (singular=alveolus)
- 10alveoli
- 11how do the alveoli helpgive the lungs a bigger surface area which means that oxygen can diffuse quickly out of the air into the capillaries containing the blood
only one cell thick - 12how is the oxygen carried aroundby red blood cells
- 13tissue fluidcomes out of capillaries
bathes the tissues around the body
contains glucose and oxygen which is taken out by the cells and replaced with carbon dioxide- which then is dissolved by the plasma - 14we breathe out (exhale) more...carbon dioxide
- 15we breathe in (inhale) lesscarbon dioxide
- 16gas exchangeoxygen diffusing into the blood and carbin dioxide disffusng out of the blood
- 17test for carbon dioxidelime water does it turn cloudy
- 18amounts inhaled and exhalednitrigon gas 78% 78%
oxygen gas 21% 16%
carbon dioxide less more
water vapour less more - 19breathing ratenumber of breaths per minute
- 20pulse ratenumber of heart beats per second
- 21......... rate and.................rate increases when you do exercise because your cells need more oxygen and glucose for respirationpulse and breathing
- 22when cells do not get enough........... they cannot release ............ and they will dieoxygen and energy
- 23fish use .......... to breathe and the oxygen diffuses into the ............ of underwater plantsgills and leaves
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- Flashcards on 8B, created by ecross on 28/05/2015.
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- ecross
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