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Fittoniya [83]
3 years ago
10

Describe what happens when a muscle contracts.

Health
1 answer:
Sergio [31]3 years ago
4 0

Answer:

Muscular contractions are the mechanism that allow an individual, animal, or human, to move its body, move the food in its digestive system, or a host of other activities. The contraction shortens the muscle which moves the rigid structures, bones, to which they are attached.

Explanation:

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Diseases of the present are very different from diseases of the past.Discuss​
iris [78.8K]
In 1962 Sir McFarland Burnett stated, ‘By the end of the Second World War it was possible to say that almost all of the major practical problems of dealing with infectious disease had been solved.’ At that time, his statement was logical. Control and prevention measures had decreased the incidence of many infectious diseases, and with the ability to continue to identify new antibiotics, to handle new problems, and the ongoing development of appropriate vaccines, his statement appeared to be appropriate.

In the US, similar feelings were expressed and funding for infectious disease fellowships began to decline with federal resources being directed elsewhere.

The history of the world is intertwined with the impact that infectious diseases have had on populations. Evidence of smallpox has been found in 3000-year-old Egyptian mummies. Egyptian papyrus paintings depict infectious diseases such as poliomyelitis. Hippocrates wrote about the spread of disease by means of airs, water, and places, and made an association between climate, diet, and living conditions. Investigators described miasmas as the source of infections. Fracastoro discussed the germ theory in the 1500s and three routes of contagion were proposed—direct contact, fomites, and contagion from a distance (airborne). Epidemics of leprosy, plague, syphilis, smallpox, cholera, yellow fever, typhoid fever, and other infectious diseases were the norm.

The development of the microscope by Leeuwenhoek in the 1600s allowed scientists to visualize micro-organisms for the first time. The 1800s brought knowledge of the cultivation and identification of micro-organisms. Vaccines were developed and used which introduced specific methods to our storehouse of measures for control and prevention. Pasteurization was another important contribution to disease control. An appreciation of the environment and its relationship to infectious diseases resulted in implementation of broad control measures such as community sanitation, personal hygiene, and public health education. The importance of nutrition was appreciated for its impact on infectious diseases.

8 0
3 years ago
Create a list of injuries that would adversely affect activities for daily living (ADLs) Are there significant safety concerns f
Lyrx [107]
A person with decreased mobility is more prone to have complications such as pressure sore formation, muscle hypotrophy, loss of muscle tone and poor circulation. The primary goal for a person with decreased mobility is the prevention of falls or additional injuries from occurring. 

Lifestyle changes include safety precautions, providing assistance from other people if needed as well as the use of mobility equipment. 

1. Bone Fractures

2. Amputations 

3. Pain from injuries

4. Spinal or Brain Trauma leading to Paralysis

5. Sprains


3 0
3 years ago
Read 2 more answers
Fad diets:
natta225 [31]

Answer:

Did you mean Fat?

Explanation:

has to be C because when you eat something unhealthy it can be a problem.

Also they are really affective so not that one

that one is not related to what your question is

abd not all of the above because A and B are incorrect

6 0
3 years ago
All drugs are considered poisons. True False
bearhunter [10]

Answer:

True

Explanation:

Drugs poisoin you from the inside... So...ummmm... DONT DO THEM

7 0
3 years ago
Read 2 more answers
What is a way to maintain your social health? 
rodikova [14]
Hello there.

Question: <span>What is a way to maintain your social health?  
a. be sure to get at least nine hours of sleep each night.  
b. take vitamins every day.  
c. be a loyal, truthful and dependable friend.  
d. take part in regular physical activity.
</span>
Answer: It would be C. be a loyal, truthful and dependable friend. All the other options are more related to physical health rather than social health. 
As C is the only option related to social health then i presume that would be the answer. 

In short, Your answer is C.

Hope This Helps You!
Good Luck Studying ^-^
4 0
4 years ago
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