01 October 2022

B9. Coordination and Response

(0654) Coordinated Science 

Subheadings and key concepts covered

B9.1. Nervous control in humans: CNS and PNS, types of neurons, the Reflex Arc

B9.2. Sense organs: the eye, the Pupil Reflex, fine-focussing = accommodation

B9.3. Hormones: adrenaline from adrenal glands, insulin from the pancreas

B9.4. Homeostasis: negative feedback, controlling blood glucose, body temperature, the skin

B9.5. Tropic responses: phototropism, gravitropism, plant hormone: auxin


  1. someone wrote their own extra notes inside the drive file, can u remove it please?

    1. Hi! Thanks for letting me know! As far as I'm aware, there's no one else who has access to editing the files themselves. Those are just Vietnamese translations of technical terms that I've noted for the Vietnamese students I tutor :)