17: Lesson 1
Disease causing agents, such as bacteria and viruses, are called
pathogens
A process that causes the area to become red and swollen
inflammation
chemotherapy
The part of the organism that gathers, processes, and responds to information is called the
nervous system
A substance that causes an immune response
antigen
A disease that cannot pass on from person to person is a
noninfectious disease
An overly sensitive immune response to common antigens
allergy
Medicines that stop the growth and reproduction of bacteria
antibiotics
A change in an organism's environment that causes a response
stimulus
Diseases caused by pathogens that can be transmitted from one person to another are
infectious diseases
A disease in which cells reproduce uncontrollably without the usual signals to stop
Cancer
A weakened or dead pathogen placed in the body, usually by injection or mouth
vaccination
Name 3 healthful habits
exercise, eating properly, sun protection, washing hands, , getting lots of sleep, avoiding alcohol, tobacco, and drug use, etc.
the ______ has sensory neurons and motor neurons that transmit information between the Central Nervous System and the rest of the body
PNS
The process by which food is heated to a temperature that kills most harmful bacteria
pasteurization
The process in which a food is heated to a temperature that kills most harmful bacteria
pasteurization
Proteins called _________ can attach to the antigen and make it useless
antibodies
lead, asbestos, alcohol, tobacco, recreation drugs, etc
The basic functioning units of the nervous system are called nerve cells, or
neurons
the part of the brain that controls memory, language, and thought is the
cerebrum
A disease carrying organism that does not develop the disease
vector
The introduction of antibodies that were produced outside of the body
Passive immunity
How can germs spread?
air, body fluids, infection, etc
the gap between two neurons is called a
synapse
A tubelike structure of neurons. enables information to be sent out and received by the brain
spinal cord