Which system protects the body from disease?
Immune system
A change or signal in the environment that can make an organism react is called a...
Stimulus
What is the function of the immune system?
Fighting off infections, recognizing harmful substances, producing antibodies
What part of a neuron carries nerve impulses away from the cell body?
Axon
Which pathogen can be cured by antibiotics?
Bacteria
A motor neuron sends an impulse to
a Muscle
Any substance that causes an allergy is a(n):
Allergen
The thick column of nerve tissue that links the brain to most of the nerves in the peripheral nervous system is the
Spinal Cord
An example of a noninfectious disease is:
Diabetes
The somatic nervous system controls
voluntary actions
An example of an infectious disease is:
Measles
An automatic response of the body that occurs very rapidly and without conscious control is called a(n)
Reflex
Viruses and Bacteria are ___________________.
Pathogens
In some reflex actions, skeletal muscles contract without the involvement of
the brain
One way you can kills pathogens is by ___________________.
Washing your hands
The sense organs send information about the environment to the
the brain.
Which of these can you get from pathogens?
common cold
What is the name of the opening through which light enters the eye?
pupil
What are the four types of pathogens?
Bacteria, Virus, Fungi, and Protists
Nearsightedness and farsightedness are caused by
a defect in the shape of the eyeball
_______ can give you athlete's foot.
Fungi
What produces sound?
Vibrating Sound
Zits are caused by ___________.
Bacteria
Pain is an important function because
it can alert the body to danger
The flu is caused by a ______________.
Virus
A synapse is the space between
an axon terminal and the next dendrite.
TRUE OR FALSE: Germs can be seen with just your eyes.
False
The brain and spinal cord make up the
Central Nervous System
What is the purpose of antibodies in the immune system?
To neutralize pathogens
Because of the way in which the lens of the eye bends light rays, the image produced by the lens are
Upside down
What is passive immunity?
Short-term immunity which results from the introduction of antibodies from another person or animal
What are examples of sense organs?
eyes, ears, tongue among others
The cochlea is part of the
Ear
What is the role of fever in the immune response?
To kill pathogens by raising body temperature
The spinal cord is an extension of the
Brain Stem
Organisms that cause disease are called...
Pathogens
____ receive messages from other neurons and send them to the cell body.
Dendrites
TRUE OR FALSE: An axon carries impulses toward the nerve cell body.
False
TRUE OR FALSE: The body’s reaction to a change in the environment is a response.
True
TRUE OR FALSE: Involuntary actions are controlled by the autonomic nervous system.
True
TRUE OR FALSE: One function of the nervous system is to maintain homeostasis, or stability within the body.
True
TRUE OR FALSE: After you accidentally touch a hot pan, you immediately jerk your hand away without thinking about your action, and before you even feel the pain of the burn. This type of response is known as a reflex.
True
What part of neuron carries messages away from cell body
Axon
The small space between neurons is called what?
synapse
What is composed of two parts: the central and peripheral
Nervous System
What is made up of nerves outside the central nervous system
peripheral nervous system
What part of neuron receive messages and send them to cell body
Dendrites
nerve cells that relay impulses between sensory and motor neurons that are located in the brain
Interneurons
What is the fluid-filled structure in the inner ear called.
Cochlea
What carries impulses from the retina to the brain
Optic Nerve
What are the major sensory receptors on the tongue called?
Taste Buds
Part of the eye that gives you your eye color.
Iris