Human Body: Reading Comprehension Worksheet
www.teach-nology.com › worksheets › scienceReading Comprehension Worksheet. Human Body. Your heart is really a muscle. It's located a little to the left of the middle of your chest, and it's about the size of your fist. There are lots of muscles all over your body - in your arms, in your legs, in your back, even in your behind. But this muscle is special because of what it does - the heart sends blood around your body.