Excretion – True or false

The video explains that the human body sheds millions, not thousands, of skin cells daily. It clarifies that the top layer of skin consists of old, dead cells, which are waste products constantly replaced by new cells.

How many skin cells does the human body shed every day?

• Millions

• Hundreds

• Thousands

• Billions

What is the top layer of skin primarily made of?

• Muscle tissue

• Blood vessels

• Old, dead skin cells

• New skin cells

What happens to the old, dead skin cells on the top layer of skin?

• They are absorbed into the body

• They turn into hair

• They are replaced by new skin cells

• They remain permanently

Why are dead skin cells considered a waste product?

• They are no longer functional

• They are absorbed into the bloodstream

• They are harmful to the body

• They cause skin diseases

What is the process called when new skin cells replace old ones?

• Metamorphosis

• Shedding

• Exfoliation

• Regeneration