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Twenty First Century Science - Combined Science B - J260
18个单元
You and your genes
Keeping healthy
Living together – food and ecosystems
Using food and controlling growth
The human body – staying alive
How do substances get into, out of and around our bodies?
How does the nervous system help us respond to changes?
How do hormones control responses in the human body?
Why do we need to maintain a constant internal environment?
What role do hormones play in human reproduction?
What can happen when organs and control systems stop working?