According to the research, the correct option is Period of invasion. The stage of an infectious disease when specific signs and symptoms are seen and the pathogen is at peak activity is the Period of invasion.
<h3>What is an infectious disease?</h3>
It is the disease that is due to the invasion of the body by pathogenic germs, which establish and multiply caused by a local cell injury, secretion of toxins or by the antigen-antibody reaction.
The stage of an infectious disease called the Period of invasion is the time interval between invasion by an infectious agent and the appearance of the first signs and symptoms of the disease.
Therefore, we can conclude that according to the research, the correct option is Period of invasion. The stage of an infectious disease when specific signs and symptoms are seen and the pathogen is at peak activity is the Period of invasion.
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Answer:
Many factors play an important role in staying healthy. Good health can decrease the risk of developing certain conditions, such as heart disease, stroke, some types of cancer and injuries.
Explanation:
A good plan should include aspects such as:
-Eat Healthy. Selecting healthy foods can prevent or treat some conditions, it can also help you lose weight and lower cholesterol.
-Exercise regularly. Regular exercise can make you feel better and keep the weight under control, at least for 30 to 60 minutes about 5 times a week.
-Protect the skin from sun exposure. It is best to limit the time spent in the sun. Wear protective clothing and hat when outside. Use sunscreen throughout the year on exposed skin, such as the face and hands. Select a broad spectrum sunscreen, such as an SPF 15.
-Do not smoke or use tobacco. They can cause heart disease and cancer of the mouth, throat or lung. They are also major factors of emphysema and chronic obstructive pulmonary disease.
Answer:
Aerobic respiration and fermentation are two processes that are used to provide energy to cells. In aerobic respiration, carbon dioxide, water, and energy in the form of adenosine triphosphate (ATP) are produced in the presence of oxygen. Fermentation is the process of energy production in the absence of oxygen.
Answer:
Out of the four given statements, the false statement is
option d)
Explanation:
a) Muscle mass and hence water content is greater in males than in females
b) Transcellular fluid is the portion of total water content in the body which is contained within the lined spaces of epithelial tissue. It is a part of the extracellular fluid which includes plasma and lymph can also be considered as tanscellular fluid.
c) Na+ and Cl- are the major content of extracellular fluids
d) About 60% of water inside the body is contained within extracellular and not in intra cellular.
