Transcript 8Bb 4a Round and round Copy and complete the flowchart ‘small intestine  capillary in small intestine’ to show the route a glucose molecule takes.

8Bb
4a
Round and round
Copy and complete the flowchart ‘small intestine 
capillary in small intestine’ to show the route a glucose
molecule takes from the small intestine to a leg
muscle cell.
small intestine  capillary in small intestine  vein 
right side of heart  lungs  left side of heart  artery 
capillary in leg muscle  leg muscle cell
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8Bb
4b
Round and round
Show the route an oxygen molecule takes from the
lungs to a leg muscle cell.
lungs  left side of heart  artery  capillary in leg
muscle  leg muscle cell
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8Bb
5a
Round and round
Which side of the heart is bigger?
the left side
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8Bb
5b
Round and round
Why is this?
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Because it has to be more powerful to pump blood
around the whole body (not just to the lungs).
8Bb
5c
Round and round
What do the heart valves do?
Stop blood flowing the wrong way through the heart.
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