Homeostasis & ResponseStudy Notes

Nervous vs Hormonal System

Part of Hormones & Behaviour — GCSE Biology

This study notes covers Nervous vs Hormonal System within Hormones & Behaviour for GCSE Biology. Topic 8: Hormones & Behaviour It is section 2 of 10 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 2 of 10

Practice

15 questions

Recall

20 flashcards

⚔️ Nervous vs Hormonal System

🧠 Nervous System	💉 Hormonal System
Electrical impulses	Chemical messengers
Very fast	Slower
Short-lasting effect	Long-lasting effect
Precise area targeted	Widespread effect
Via neurones	Via blood

Keep building this topic

Read this section alongside the surrounding pages in Hormones & Behaviour. That gives you the full topic sequence instead of a single isolated revision point.

The Story: The Postal Service Key Glands and Their Hormones How It Works: Adrenaline and the Fight-or-Flight Response Key Definitions

Practice Questions for Hormones & Behaviour

Which response does adrenaline prepare the body for?

A. Fight or flight
B. Rest and digest
C. Growth and repair
D. Cooling down

1 markfoundation

State two effects of adrenaline on the body during a fight-or-flight response.

2 marksstandard

Quick Recall Flashcards

How do hormones affect behaviour?

Hormones act as chemical messengers that influence brain function, neurotransmitter activity, and behavioural responses like mood and alertness.

How do hormones reach the brain?

Hormones travel through the bloodstream to reach target organs including the brain, where they can influence neurotransmitter production.

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The Story: The Postal Service

Key Glands and Their Hormones