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Human anatomy
Human anatomy is the study of how our bodies are built. Scientists look at all the parts that make us work. They study big parts we can see with our eyes. They also study tiny parts that need special tools to see.
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- Your body is made up of many different levels that fit together like building blocks: cells make tissues, tissues make organs, and organs make biological systems.
- Scientists who study anatomy can look at body structures in two ways: with their naked eyes to see big parts, or with microscopes to see the tiny details that you cannot see without help.
- The human body has a repeating pattern of segments that has stayed the same since ancient times, which you can clearly see in your backbone and ribcage.
Our bodies have many systems that work together. Each system has organs, which are special body parts. Organs are made of tissues, which are made of cells. Cells are the tiniest living parts of our bodies. Everything connects together to make us who we are.
Our bodies follow patterns that all animals share. If you look at your spine, you see bones stacked like blocks. Your ribs wrap around like a cage. These patterns show that humans and other animals are related. Our bodies kept these same patterns from long, long ago.
Scientists have learned about our bodies in many ways. A long time ago, they studied dead animals. Then they looked at human bodies to learn more. Today we have special machines that help us see inside bodies without cutting them open. Each new way of learning has helped doctors understand us better.
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Texten kommer från Wikipedia och har förenklats för barn. CC BY-SA 4.0 | Från Wikipedia