Understanding the Human Microbiome

What is the ratio of microbial cells to human cells in our bodies?

• 20:1

• 1:1

• 5:1

• 100:1

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How do infants initially acquire their microbiomes?

• From the birth canal

• By touching surfaces

• From their first solid food

• Through the air they breathe

What is one way that microbes help our immune system?

• By producing vitamins

• By teaching immune cells to tell the difference between good and bad microbes

• By making us sick

• By causing allergies

Where is the most complex and diverse microbial habitat in our bodies?

• Skin

• Mouth

• Nose

• Gut

What might happen if our gut microbiome is not functioning properly?

• We might become more intelligent

• We might develop diseases like diabetes and obesity

• We might lose our sense of taste

• We might become taller

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Why do some scientists believe that diseases like asthma and allergies are increasing?

• Due to lack of exercise

• Because of genetic mutations

• Due to loss of key gut microbes

• Because of increased pollution

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What are probiotics?

• Harmful bacteria

• Good microbes that can prevent and treat diseases

• Antibiotics

• Vitamins

What is the main takeaway from the video on microbiomes?

• Microbes are essential to our health and happiness

• Microbes have no significant impact on our health

• Microbes are harmful and should be eliminated

• Microbes are only found in the gut

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