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B3 - Organism Level Systems - Coggle Diagram
B3 - Organism Level Systems
B3.1 - Coordination & Control (The Nervous System)
The Structure of the Nervous System
The central nervous system includes...
The peripheral nervous system includes...
Label the structures of these neurons
Relay neurone
Sensory neurone
Motor neurone
Coordinated Responses
Definition
Create a flow diagram for this image
Reflexes
What are their purpose?
Draw and label this reflex arc
Synapses
What is happening in each image?
The Eye
Add the functions of each structure of the eye
Explain how each of the following problems can be overcome
Colour blindness
Short-sightedness
Long-sightedness
The Brain
Add the functions of each structure of the brain
Why is it difficult to investigate the function of the brain?
Explain how each limits out ability to treat the brain and nervous system
Limited ability to repair nervous tissue
Irreversible damage to the surrounding tissues
Difficulties accessing parts of the nervous system
B3.1 - Coordination & Control (The Endocrine System)
Function
What are hormones?
Where are hormones produced?
How are hormones transported?
Negative Feedback System
What are the roles of thyroxine and adrenaline?
Describe how a negative feedback system works
Reproductive Hormones
Describe each of the hormones' roles
Oestrogen
Progesterone
FSH
Testosterone
Contraception
Hormonal Contraception
Describe each method and it's effectiveness
Oral contraception
Hormonal ring
Hormonal IUD
Contraceptive injection
Implant
Implant
Contraceptive patch
Non-Hormonal Contraception
Describe each method and it's effectiveness
Condom (Male & Female)
Copper IUD
Surgical sterilisation (Male & Female)
Diaphragm/Cap
Infertility
What does IVF stand for?
Describe the process of IVF
Plant Hormones
Describe the role of auxins in...
Phototropism
Gravitropism
What are the effects of...
Gibberellins
Ethene
Describe how the following control plant growth
Selective herbicides
Root cuttings
Seedless fruits
Altering dormancy
The Menstrual Cycle
Explain how each hormone controls the cycle
FSH
LH
Oestrogen
Progesterone
B3.3 - Maintaining Internal Environments
Homeostasis
Why is maintaining a constant internal environment important?
Controlling Body Temperature
How does the skin control body temperature?
Controlling Blood Sugar
How does insulin control sugar levels in the body?
What does glucagon do?
What is type 1 diabetes?
What is type 2 diabetes?
Compare how you would treat type 1 and type 2 diabetes
Controlling Water Levels
What has happened to each cell, why?
How do the kidneys maintain the water balance of the body?
Describe the effect of ADH on the permeability of the kidneys
How does the body respond to the following?
High temperatures
High sweating/dehydration
Excess water intake
High salt intake