Answer:
A. anaerobic respiration in muscle cells, forming lactic acid
Explanation:
Running marathon is a vigorous exercise, which often leads to excessive use of oxygen in the cells of the athlete. This causes the cells to switch from the aerobic (with oxygen) to the anaerobic (without oxygen) mode of respiration. This anaerobic respiration produces a product called LACTATE OR LACTIC ACID.
The lactic acid becomes excessive and gets stored in the muscle cells of the athlete. This often leads to cramps, muscle pulls etc. during the marathon. Therefore, an individual running a marathon may experience periods of oxygen deprivation that can lead to anaerobic respiration in muscle cells, forming lactic acid.
The correct answer is A. A serious disease outbreak that infects hundreds of people
Explanation:
In science, the epidemiology is a fill that studies diseases especially in terms of the way diseases emerge and then spread in populations or the way diseases become epidemics. This implies, epidemiologists focus on diseases outbreaks rather than on inherited diseases. Moreover, epidemiology plays an important role in preventive health as well as actions to control epidemics. Considering this, it can be concluded an epidemiologist is likely to study " A serious disease outbreak that infects hundreds of people" because epidemiologists focus on the causes, transmission, and outbreaks of epidemics which are diseases that spread in a population.
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Used 53% of the time is a LANDFILL
Answer: Option C.
Adipose tissues.
Explanation:
New glycerides are can either go to the liver once or circulation or stored in adipose tissue.
Adipose tissues are connective cells that consist of adipocytes or fat cells which store energy inform of fat and also release it into circulation. It serves as insulation to the body.
Adipose tissue stores fat gotten from food and from liver metabolism. They store fat as energy source and under energy stress, they release it into circulation.