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Investigation 6.3
What is Blood? |
We have talked about blood circulating in the arteries, capillaries, and veins. But what exactly is blood? How does blood carry oxygen glucose, and carbon dioxide? |
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When you cut yourself or go to the doctor's for a blood test, you see the reddish liquid that comes from the vessels. Is this just red" water " ? What do you think this liquid might be made of? |
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Talk to your group and see if you can come up with a model of what blood would look like if you could see it very close like under a powerful microscope. Make a group drawing on your whiteboard. |
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