What lives on our skin?

The video explains that body odor is caused by bacteria feeding on proteins in sweat, particularly in areas like the armpits. It highlights the vast number of bacteria on human skin, comparable to the population of the USA. Different bacteria types inhabit various skin areas, some causing acne when pores are blocked. The skin also hosts fungi, such as yeast, which can lead to infections like athlete's foot. Despite their sometimes unwelcome presence, these microorganisms are a constant part of healthy skin.

What is the primary cause of body odor?

• Dirt on the skin

• Lack of washing

• Sweat itself

• Bacteria feeding on sweat proteins

How many bacteria are typically found on a person's skin?

• About 1 million

• About 10 million

• About 300 million

• About 500 million

What can blocked pores on the skin lead to?

• Dry skin

• Smooth skin

• Acne or red spots

• Increased sweating

Which type of fungus is known to cause athlete's foot?

• Yeast

• Mold

• Bacteria

• Mushroom

What is a common characteristic of healthy skin?

• It is always dry

• It hosts millions of microorganisms

• It is free of microorganisms

• It has no bacteria