Studying human body
Definition:
The human body is the structure of a person, made up of many parts and systems that work together to keep us alive.
Main points:
Head – holds the brain, eyes, ears, nose, and mouth.
Neck – connects the head to the body.
Trunk – chest and stomach, protects important organs.
Arms & Legs – help us move and do tasks.
Organs & Systems:
Heart – pumps blood.
Lungs – help us breathe.
Brain – controls everything.
Stomach – digests food.
Bones & Muscles – give shape, strength, and movement.
Examples:
Eating food gives energy.
Running uses muscles and bones.
Breathing keeps organs alive.
Interesting points:
The human body has 206 bones.
The brain has billions of cells called neurons.
Muscles can make tiny or big movements
Fun facts:
Your heart beats about 100,000 times a day.
Your stomach gets a new lining every 3–4 days.
Your bones are stronger than concrete!
You have more than 600 muscles in your body.
Your brain is more active when you sleep than when you watch TV.