F214.1 Communication and Homeostasis Biology Revision Cards

How are action potentials transmitted?

What is saltatory conduction and what are the advantages of it?

Target Tissue

What is the structure of a sensory neurone?

What are the two parts of the adrenal glands? How are the arranged?

What is a pre-synaptic knob (or membrane)?

How does frequency affect impulse of transmission?

What are the roles of synapses in the nervous system?

How is the transmission of action potentials different in a myelinated neurone?

What is the definition of negative feedback?

Exocrine Gland

What happens when blood glucose levels drop too low?

How is an action potential transmitted across the synaptic cleft?

Second Messenger

What happens when blood glucose levels rise too high?

What is the function of a sensory neurone?

How is an action potential generated?

What is the structure of a motor neurone?

First Messenger

What are the exocrine and endocrine functions of the pancreas?

What is the role of acetylcholinesterase?

What is the definition of positive feedback?

Hormone

How is transmission effected in a non-myelinated neurone?

What are the roles of sensory receptors?

What are the functions of the adrenal medulla?

How is insulin secretion controlled?

What is an ectotherm?

What is an endotherm?

What are the advantages of genetically engineered insulin?

How can stem cells be used to treat diabetes?

What causes type two diabetes?

What causes type one diabetes?

What is the mechanism of homeostasis?

Cell signalling

How is resting potential established and maintained?

Endocrine Gland

What is the function of a motor neurone?

Homeostasis