🏃 The Amazing Human Body
Your body is made up of many systems that work together to keep you alive. Each system has specific organs that perform important jobs. Like parts of a machine, they must all work together!
🔬 Major Body Systems
🫀
Circulatory System
Transports blood, oxygen, and nutrients around the body.
Organs: Heart, blood vessels, blood
Māori: Te pūnaha toto
🫁
Respiratory System
Brings oxygen in and removes carbon dioxide.
Organs: Lungs, trachea, diaphragm
Māori: Te pūnaha whakahā
🦴
Skeletal System
Supports body structure and protects organs.
Organs: 206 bones, cartilage
Māori: Te pūnaha kōiwi
💪
Muscular System
Enables movement and maintains posture.
Organs: 600+ muscles
Māori: Te pūnaha uaua
🧠
Nervous System
Controls body, processes information, senses.
Organs: Brain, spinal cord, nerves
Māori: Te pūnaha io
🍽️
Digestive System
Breaks down food and absorbs nutrients.
Organs: Stomach, intestines, liver
Māori: Te pūnaha whakawhana kai
🔗 Working Together
Example: Running
When you run, many systems work together:
- 🧠 Nervous — brain sends signals to muscles
- 💪 Muscular — muscles contract to move legs
- 🦴 Skeletal — bones provide structure
- 🫁 Respiratory — breathing faster for oxygen
- 🫀 Circulatory — heart pumps faster to deliver oxygen
✏️ Activities
Activity: Heart Rate Experiment
- Find your pulse (wrist or neck)
- Count beats for 15 seconds at rest, multiply by 4 = ____ bpm
- Do 20 star jumps
- Immediately count again = ____ bpm
- Why did your heart rate increase?
My explanation:
👩🏫 Teacher Notes
Curriculum Links
- Science: Living World — life processes
- Health: Body care and physical activity