B1 Topic 2 Edexcel

If a tropism is positive, what does this mean?

What is geotropism?

Name a plant hormone

What effect does light have on auxin?

What is phototropism?

Where is insulin produced?

What causes type 2 diabetes? Give two ways type 2 diabetes can be controlled.

What causes type 1 diabetes? How can it be controlled?

What hormone acts in the opposite way to insulin?

Where is excess glucose stored?

What is excess glucose stored as?

What hormone reduces blood sugar levels?

How are hormones transported around the body?

What is the name given to the quick response that protects us from harm?

What is the Myelin Sheath made of and what is its role?

Define a synapse and state the generic name for the chemical that crosses it?

What is the function of a dendrite?

What part of the neurone transmits information to different neurones, muscles and glands?

What are the cells in your eye that detect light?

What makes up the Central Nervous System?

What does Negative Feedback mean?

Explain why we look red when we are hot?

What method of heat energy transfer does sweating utilise to cool us down?

Which part of the brain controls body temperature?

Define Homeostasis