BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A Heliobacter pylori is a bacterium that causes gastritis (irritation or inflammation of the stomach lining) and peptic ulcers, diseases which were once thought to be caused by too much acid.
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B Streptococcus salivarius appears to help prevent tooth decay in the mouth but can bedangerous to people with weakened immune systems if it gets outside the mouth.
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C Bacillus subtilis releases toxic chemicals to kill fungus, possibly including Trichophytoninterdigitale and other species that cause athlete’s foot.
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D Skin, which is our interface with the world, supports a large number of the human body’s most diverse populations of bacteria, including Bacillus subtilis.
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Detailed explanation-1: -Not all bacteria are harmful, and some bacteria that live in your body are helpful. For instance, Lactobacillus acidophilus-a harmless bacterium that resides in your intestines-helps you digest food, destroys some disease-causing organisms and provides nutrients.
Detailed explanation-2: -Bifidobacteria are considered beneficial bacteria, as they can help prevent intestinal inflammation and enhance gut health ( 14, 15 ).
Detailed explanation-3: -The bacteria in our bodies help degrade the food we eat, help make nutrients available to us and neutralize toxins, to name a few examples[7]; [8]. Also, they play an essential role in the defense against infections by protecting colonized surfaces from invading pathogens[8]; [9].