B1.2: Responses to a changing environment

Description

Flash cards for B1.2 topic, Responses to a changing environment. Part of the Edexcel GCSE course.
Tinna Shabsogh
Flashcards by Tinna Shabsogh, updated more than 1 year ago More Less
benprice99
Created by benprice99 about 9 years ago
Tinna Shabsogh
Copied by Tinna Shabsogh about 9 years ago
5
0

Resource summary

Question Answer
Define Homeostasis Maintaining a stable internal environment
Sensory neurones Take nerve impulses from receptors to the central nervous system
Relay neurones In the central nervous system. Take nerve impulses from sensory neurones to motor neurones.
Motor neurones Take impulses from the central nervous system to muscles or glands (effectors).
Name 2 hormones found in humans Insulin, adrenaline, testosterone, oestrogen, and progesterone.
Define Reflex arc Reflex actions bypass the brain, speeding up response times. Used when the body is in danger.
Give an example of a reflex action Iris reflex - Iris contracts or expands depending on light level
Show full summary Hide full summary

Similar

GCSE Biology - Homeostasis and Classification Flashcards
Beth Coiley
AS Biology Unit 1
lilli.atkin
Biology Revision - Y10 Mock
Tom Mitchell
Biology- Genes and Variation
Laura Perry
AQA Physics P1 Quiz
Bella Statham
Acids and Bases
Sarah Egan
Using GoConqr to teach science
Sarah Egan
Using GoConqr to study science
Sarah Egan
GCSE Combined Science
Derek Cumberbatch
Physics Revision
Tom Mitchell
The Circulatory System
Shane Buckley