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Bitesize GCSE Biology

Dr Alex Lathbridge breaks down what homeostasis is and looks at the different types of external stimuli that can affect the body, and how automatic control systems work.

Sounds,8 episodes

Episodes

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Series 4: Homeostasis and response
1. Homeostasis
The maintenance of a constant internal environment in the body.
10 mins
Series 4: Homeostasis and response
2. The human nervous system
Dr Alex Lathbridge breaks down how neurotransmitters travel across a synapse.
10 mins
Series 4: Homeostasis and response
3. The human endocrine system
Dr Alex Lathbridge explains hormones and the six key glands that produce them.
9 mins
Series 4: Homeostasis and response
4. Blood glucose
Dr Alex Lathbridge examines what happens if blood glucose levels get too high or too low.
9 mins
Series 4: Homeostasis and response
5. Hormones and the menstrual cycle
Dr Alex Lathbridge explains what happens at each stage of the menstrual cycle.
11 mins
Series 4: Homeostasis and response
6. The brain and eye
Dr Alex Lathbridge breaks down the structure of the brain and the eyes.
10 mins
Series 4: Homeostasis and response
7. Water and nitrogen balance
How the kidneys maintain water levels in the body and how nitrogen is balanced.
9 mins
Series 4: Homeostasis and response
8. Plant hormones
How hormones help plants to grow in response to light and gravity.
9 mins