1. B5 content – Homeostasis and Response (Paper 2)
Homeostasis and Body Temperature
The Nervous System, The Brain and The Eye
Hormones (endocrine system, blood glucose, water balance)
Reproduction (sex hormones, menstrual cycle, reducing fertility, increasing fertility[HT])
Plant hormones (functions of plant hormones, uses of plant hormones[HT])
Required practicals:
Reaction time (page 48 in revision guide)
The effect of light and gravity on cress seeds (page 55 in revision guide)

2. B5 Revision – Homeostasis and Response (page 46-55 in revision guide)
Name three things that must be controlled by the body: 1. 2. 3.
Why do we need reflexes?
How can we map the brain?
What are the three main regions of the brain?
Why is contraception used?
Where does auxin build up in a plant shoot?
What happens to pupil size in dim light and why?
What does the body do when we get too hot?
What does the body do when we get too cold?
Why is the pituitary gland often called the master gland?
List 2 advantages of kidney dialysis: 1. 2.
How many days in length is the average menstrual cycle?
Fill in the missing eye diagram labels:
Complete the table below on the different types of diabetes:
Diabetes
Cause
Treatment
Type 1
Type 2
KEY WORDS:
Retina
Homeostasis
Iris
Receptor
Negative
Reflex action
Feedback
Synapse
Vasodilation
Cerebellum
Vasoconstriction
Cerebral cortex
Insulin
Medulla
Donor
MRI
Dialysis