What are you made of? Your skin, muscles, brain, and heart are all made of tiny building blocks called cells! Cells are so small that millions could fit on the tip of your finger. Let's explore these amazing microscopic workers inside you!
Every cell has important parts that work together. The nucleus is the control center that controls everything the cell does. The cytoplasm is the jelly-like filling where chemical reactions happen. The cell membrane is the protective wall that controls what goes in and out. And the mitochondria are the power plants that make energy for the cell to work.
Your body has many types of cells, and each type has a special job! Red blood cells carry oxygen around your body. Nerve cells send messages to your brain. Muscle cells help you move and exercise. And bone cells keep your skeleton strong. All these different cells work together to keep you healthy!
Cells are amazing teammates! First, groups of similar cells work together to form tissues, like muscle tissue. Then different tissues work together to form organs, like your heart. Many organs work together as organ systems, like your circulatory system. And finally, all your organ systems work together to make YOU! It's like a fantastic team where everyone has an important job.
Your body has about 37 trillion cells working together! Every second, millions of cells are keeping you alive. Different cells have special jobs, and they work in amazing teams from cells to tissues to organs to complete systems. Your cells are constantly replacing themselves to keep you healthy. Understanding cells helps us appreciate how incredible our bodies really are!
Every cell has important parts that work together. The nucleus is the control center that controls everything the cell does. The cytoplasm is the jelly-like filling where chemical reactions happen. The cell membrane is the protective wall that controls what goes in and out. And the mitochondria are the power plants that make energy for the cell to work.