A Drop of Blood: Let's Read and Find out Science - 2

You've seen your own blood | when you have a cut or a scrape. You can see the veins in your wrist and you've seen the scab that forms as a cut heals. But do you know what blood does for you? Without blood | you couldn't play | or grow | or learn. That's because just about every part of your body needs blood | from your muscles to your bones to your brain. How does your body use blood? Read and find out!