Section 1
what does PNS stand for?
peripheral nervous system
what does CNS stand for?
Central Nervous System
name the two parts of the CNS?
brain and spinal cord
What part of a neuron is made up of a fatty substance that insulates the electrical impulses?
fatty Sheath
what are the three types of neurons?
Sensory neurons, Motor neurons, and Interneurons
what is the master gland in the brain?
pituitary
which type of diabetes usually develops in childhood?
type 1
testosterone
which hormone causes the egg to mature?
FSH
what happens to blood glucose levels when insulin is secreted?
decreases
what is the name of the chemicals that diffuses across the synapse?
neurotransmitters
what protects the brain?
skull
give two examples of effectors?
muscles and glands
reflex actions are a_______
automatic
what hormone does the pancreas release?
insulin
what is the gap between 2 neurons called?
synapse
what are the branch-like structures on a nerve cell called?
dendrites
another word for a nerve cell?
neuron
what is a risk factor of type 2 diabetes?
obesity, sugary diet
how do hormones travel?
in the bloodstream
what is any change in the environment?
stimulus
what is an electrical message carried along a neuron called?
impulse
what detects a stimulus?
receptors
oestrogen
what substance is glucose converted to when insulin is released into the bloodstream?
glycogen