AS applied science FC

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  • Created by: megbrx
  • Created on: 01-01-17 16:21
what is the role of the coronary arteries?
supplies the cardiac muscle with oxygen and glucose
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what is systole?
contraction
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what is diastole?
relaxation
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what is the route of the systemic circuit?
left side of the heart -> body -> back to the heart
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wha is the route of the pulmonary circuit?
right side of the heart -> lungs -> back to the heart
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describe the structure of the arteries
narrow lumen, thick elastic fibres, thick smooth muscle
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describe the structure of the veins
wide lumen, thin elastic fibres, thick smooth muscle
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describe the structure of the capillaries
wide lumen, no elastic fibres, no smooth muscle
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what is the word equation for aerobic respiration?
glucose + oxygen -> carbon dioxide + water + 38ATP
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what is the word equation for anaerobic respiration?
glucose -> lactic acid + 2ATP
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what is the word equation for combustion?
fuel + oxygen -> carbon dioxide + heat + water + light
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compare the reactions of combustion and respiration
similarities- oxygen as reactants, release carbon dioxide, both use fuels. Differences - ATP released in aerobic, fuels are different.
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describe the effect of exercise on the body
increase in heart and breathing rate. increase in cardiac output. need more oxygen and glucose to release more carbon dioxide.
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what are the uses of ATP in the body?
muscle contraction, nerve impulse transmission, active transport, cell division
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what are blood counts used for?
to identify if theres any infections or conditions such as cancer or anaemia
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what is the role of red blood cells?
carry and transport oxygen
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what is anaemia?
someone having a blood-haemoglobin concentration lower than normal
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why may people with anaemia feel fatigue?
too few red blood cells are being produced and some of those produced are destroyed by blood loss taking place
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why would diabetics need to check their blood sugar levels?
to regulate the blood-glucose concentration so they know the appropriate insulin to inject
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what are the symptoms of asthma?
shortness of breath, fatigue, wheezing
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which equipment is used to monitor the effectiveness of asthma treatment?
a peak flow test and spirometry measures the breathing rate and tidal volume data
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where does aerobic respiration take place?
in the muscle cells in the presence of oxygen
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where does anaerobic respiration take place?
in the muscle cells in the absence of oxygen
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how does the breathing system and circulatory system work together in order for respiration to occur?
the breathing system takes in oxygen and the circulatory system delivers oxygen to respiring cells and takes carbon dioxide away from the cell to be released from the lungs
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what does cyclic AMP do?
activates the enzymes associated with the biochemical pathways associated with that hormone
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what does ELISA stand for?
enzyme linked immunosorbent assay
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what things may affect blood pressure readings?
age, stress, weight, hypertension
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what is ECG?
electrocardiogram
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what is the role of the ECG?
it measures the electrical conductivity (activity of the heart)
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Other cards in this set

Card 2

Front

contraction

Back

what is systole?

Card 3

Front

relaxation

Back

Preview of the back of card 3

Card 4

Front

left side of the heart -> body -> back to the heart

Back

Preview of the back of card 4

Card 5

Front

right side of the heart -> lungs -> back to the heart

Back

Preview of the back of card 5
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