Biology Paper 2
The brain and the eye [Triple Only]
Homeostasis and Response training before the targeted original question drill.
Adaptive teaching card
Make it concrete
Analogy
The brain and the eye [Triple Only] is like a living system solving a small survival problem: each part has a job, and the answer depends on how those jobs connect.
Why now: An analogy helps when the definition feels abstract.
Do this: Match each part of the analogy to the science idea.
Learn it
Different brain regions control different functions.
The eye contains the cornea, lens, retina, iris and optic nerve.
Lenses can correct long-sightedness and short-sightedness.