LS1
The defensive network of the body is known as the _____ _____
Immune system
All organisms contain chemicals called _______ on their cell membranes.
Antigens
Branching off the cell body are short extensions called _______
Dendrites
The _______ ______ is below the cerebrum and in front of the cerebellum.
Brain stem
The long term resistance to disease that this system provides is called _____
Immunity
The body's final line of defense is a group of special white blood cells called ______
Lymphocytes
_________ are usually much longer than dendrites and carry impulses away from the cell body.
Axons
The _____ ____ is continuous with the brain stem and extends down your back.
Spinal cord
Your bodies first line of defense against invaders is your _____
Skin
_________ are proteins that react against specific antigens.
Antibodies
Brain and spinal cord together form the ________ _____ _____
Central nervous system
To pick up cues, your body has sense organs with special neurons called ______
Receptors
_____ ______ line the insides of body cavities such as your mouth and nose.
Mucous membranes
Fast acting defense built up as a response to a prior infection in your body is called ______ _____
Active immunity
The _______ is the largest portion of the brain.
Cerebrum
The black spot in the center of the iris is the _____
Pupil
_______ is a local response to invaders.
Inflammation
The largest part of a neuron is called the _____ _____
Cell body
The nerves that connect your cerebrum to your body pass through the _______
Cerebellum
The inner layer of the eye that begins along the sides of the lens and continues around to the back of the eye is called ?
Retina