null
US
Sign In
Sign Up for Free
Sign Up
We have detected that Javascript is not enabled in your browser. The dynamic nature of our site means that Javascript must be enabled to function properly. Please read our
terms and conditions
for more information.
Next up
Copy and Edit
You need to log in to complete this action!
Register for Free
1825192
Communication Systems
Description
A level Biology Mind Map on Communication Systems, created by beccadavies19 on 30/12/2014.
No tags specified
biology a2 ocr
biology
communication systems
a2
ocr
f214
module 1
2014
biology
a level
Mind Map by
beccadavies19
, updated more than 1 year ago
More
Less
Created by
beccadavies19
almost 10 years ago
54
2
0
Resource summary
Communication Systems
External Environment
Can be air, water or soil. It can change and put the organism under stress
Slow changes e.g. Season change/global warming
Fast change e.g. Day to night/sunshine to darkness
Detecting changes
High blood sugar levels after a meal
Body releases insulin - hormonal
Smelling delicious food
Mouth waters - nervous
Torch shone in eye
Pupils contract - nervous
Sudden drop in external temperature
Shiver - nervous
Internal Environment
Cells...
...do metabolic reactions, use up substrates and produce products e.g. CO2
CO2 needs excreting
This means the removal of waste to prevent accumulation in the blood
CO2 needs excreting as it can build up in tissue fluid ad disrupt enzyme action of cells, and change pH levels
...are bathed in tissue fluid which is made from the blood
Show full summary
Hide full summary
Want to create your own
Mind Maps
for
free
with GoConqr?
Learn more
.
Similar
GCSE Biology B2 (OCR)
Usman Rauf
B7 Quiz - The Skeleton, Movement and Exercise
Leah Firmstone
B7.1-3 - Peak Performance
franimal
Cell Structure
megan.radcliffe16
Unit 1 flashcards
C R
Biology- Genes, Chromosomes and DNA
Laura Perry
Biology- Genes and Variation
Laura Perry
Biology B1.3
raffia.khalid99
F211- Module 1 Cells, exchange and transport
eilish.waite
F211 Cells Keywords and Info
Gurdev Manchanda
Ecosystems
Jessica Phillips
Browse Library