CARDIOVASCULAR, LYMPHATIC, AND SYSTEMIC DISEASES
Virtually all diseases have an adverse effect on the human body. However, the diseases that
have the most profound effect are those that affect the cardiovascular system and tho
Microbes play a fundamental role in the ecology of all living systems. Without them, in the
words of the famous microbiologist Hans Zinsser, ". . . the physical world would become a
storehouse of wel
DISEASES OF THE SKIN AND EYES: WOUNDS AND BITES
The first line of defense against microbial invaders is our skin and mucous membranes. As
long as this tissue is clean, healthy, and untraumatized, it is an effective barrier to
UROGENITAL AND SEXUALLY TRANSMITTED DISEASES
Urogenital and especially the sexually transmitted diseases are the most common and among
the most serious diseases in our society today, yet these should be the easiest to avoid an
ORAL AND GASTROINTESTINAL DISEASES
Maintaining good nutrition and appropriate sanitation and hygiene practices are the most
effective means of avoiding virtually all the diseases associated with the oral cavity and
DISEASES OF THE RESPIRATORY SYSTEM
Colds are among the most common diseases that affect humans. It seems that we never can
avoid these pesky viruses no matter what we do. In addition, if our resistance is lowered due to
ANTIMICROBIAL THERAPY: Antibiotics
One of the milestones of the twentieth century was the discovery of antibiotics. Prior to that
time there was little chance of treating any of the serious microbial diseases.
With the discove
STERILIZATION AND DISINFECTION
Soon after the discovery that microbes could cause disease, major efforts were made to
control them. The application of heat as an effective control measure was certainly among the first
HOST-MICROBE RELATIONSHIPS AND DISEASE PROCESSES
Microorganisms have established many important relationships with humans. Several of
these relationships are extremely valuable and provide useful benefits to the host. In only a
Many students have trouble understanding the speed with which
GENETICS I: GENE ACTION, GENE REGULATION, AND MUTATION
Since the discovery of the gene code and its genetic carrying capacity, DNA has been the
object of intense interest and research. A molecule so simple in construction yet so
For Mr. Bs sections
This manual has been compiled and written for your enjoyment and learning as you work
through the Biology& 1
To Keep Teenage Alert at School
The article discusses the importance of amount of time high schoolers need to sleep to be able to
study properly the next day at school. Before the petition with the school district, high school bell rings
around 7:30am at
FUNCTION: low cost, highly sustainable
communication and coordination system.
Uses Hormones as messengers or signaling
molecules that only act of Target Cells.
STRUCTURE: 1) Glands; 2) Individual cells;
3) Temporary structures.
FUNCTION: high speed communication
system for coordinating and controlling activity
of the body.
GLIAL CELLS: support and protection.
Example: Schwann cell
NEURONS: functional unit of the system;
they conduct impulses.
Defense and Immunity
This is the battle between pathogens and
defense mechanisms of the body.
Defenses fall into two categories:
Non-specific (Innate defenses)
Specific (Acquired defenses).
Tissues not invaded
FUNCTION: Perpetuation of the species or
type to promote evolutionary success.
Examine human reproductive systems
structure and function, then development.
Broadly examine reproductive effort and
Production of gametes or sex
1. Homeostasis: maintain the condition within tolerance limits
a. Immediate removal toxic in blood after absorption. Use in LIVER
b. Temp regulation: both the gain and loss of heat. COLD blood ECTOTHERMS (ex: snake)
and WARM blood ENDOTHERM (ex: human)
1. Locomotion (works with the articulating
skeleton. Requires moveable joints).
2. Movement within the organism; circulatory
fluid and food.
3. Alter diameter of vessels and tubes.
4. Generate heat.
1. Support for body.
2. Attachment site for musculature.
3. Articulation points for movement of the
4. Protection for internal organs.
5. Can be a reservoir for minerals.
TYPES OF SKELETAL SYSTEMS:
TISSUES OF THE BODY
1. Generally protective; desiccation, abrasion,
UV light, infectious agents.
2. Some excretion of metabolic wastes
(Nitrogen wastes and carbon dioxide).
The principle of separation of the state from religious institutions.
Significance: Niccolo Machiavelli (1469-1527) shifted peoples
attention from concentration on salvation to concentration on the
social, political, economic and religious expe
LAB1_UBIQUITY OF MICROORGANISMS
Bacteria and other microorganisms are widely distributed and intimately associated with people and
their surroundings. While many people think of bacteria as "germs" that spread disease, most of the
bacteria in our environm
Question 5: How is divorce rate measured in US?
It would appear that trying to figure out divorce rate would be an easy task
but just like other sociological phenomena, there exist many complicating
elements. There have so many methods over the years that
QUESTION 1: Throughout history most mothers have worked, and the
concept of a stay-at-home wife and mother is anything but "traditional"
(meaning historically normal). Why do we think it is and what are the
strongest reasons that all mothers should work?
(1)Briefly explain the position to which Wenz is responding
The position is of the view that economic factors are the reason behind
disproportionate effects of environment hazard on black and poor people and
not racial discrimination. It further stated th
QUESTION 2 FROM THE MAX BOOT READING:
Why is the advantage that the US military has in space slowly eroding? What can potential
adversaries do to shield themselves from satellite surveillance?
A whole lots of intelligence, surveillance and communication s
Question 1: Read and summarize Take Me Take My Name. A student
once said, "If my wife hadn't have taken my last name, my friends
would have wondered why I didn't have control over my wife".
Men always expect their wives to adopt their surnames whe