Unit 2-Control And Communication Flashcards
Central Nervous System (CNS)
The brain and spinal cord
Name structures 1, 2 and 3 of the human brain as labelled in the diagram
- Cerebrum
- Cerebellum
- Medulla
Part of the brain responsible for conscious thought, emotions and memory
Cerebrum
Area of the brain which controls balance and muscle co-ordination
Cerebellum
Part of the brain that controls the heart and breathing rate
Medulla
Fast response to danger
Reflex Action
Neuron that carries electrical impulses from a receptor to the CNS
Sensory neuron
Neuron that carries an electrical impulse from the CNS to a muscle or a gland
Motor neuron
The order of neurons in a reflex arc
Sensory → Inter → Motor
A tiny gap between two neurons
Synapse
Carries a message across a synapse from one neuron to the next
Chemical messenger
Glands that make and release hormones
Endocrine glands
Transports hormones from an endocrine gland to a target organ
Blood / Blood vessels
Protein on the surface of a target cell that is complementary to a hormone
Receptor
Cell that has a protein receptor that recognises a hormone
Target cell
Organ that detects a change in blood glucose
Pancreas
Released by the pancreas in response to an increase in blood glucose
Insulin
Released by the pancreas in response to a decrease in blood glucose
Glucagon
Molecule made in liver by joining together many glucose molecules
Glycogen
Organ that stores glucose as glycogen
Liver
Term for the control of blood glucose concentration
Regulation
Health condition due to the failure to release or respond to insulin
Diabetes
