Skin BrainPOP

How many skin cells do you have covering your body?

• ten thousand
• one million
• ten million
• billions

What can you conclude from the fact that your skin prevents harmful germs from entering your body?

• Without skin, your immune ystem wouldn't function
• Germs can enter your body through cuts and scrapes
• Wearing heavy clothes protects you against diseases
• Skin cells contain powerful antibiotics

How does your body make new skin?

• Through division of existing skin cells
• By recycling old skin cells
• By changing blood cells into skin cells
• By making existing skin cells bigger

What might happen if you did not have melanocytes?

• Skin would not protect against disease
• Skin would be extremely pale
• You couldn't produce new skin cells
• Skin would be brittle and papery

As people age, their bodies stop making elastin. This leads to:

• Increased likelihood of illness
• Brown spots on the skin
• Wrinkles and sagging
• The inability to sweat

Place the following in order from outside to inside: A. Dermis; B. Epidermis; C. Hypodermis

• C A B
• B C A
• B A C
• A B C

What do sebaceous glands, hair follicles, and sweat glands have in common?

• All produce new skin cells
• All fall off and get replaced every few weeks
• All are part of the immune system
• All are found in the dermis

Which body system is part of the skin and responsible for your sense of touch?

• nervous system
• immune system
• muscular system
• endocrine system

Which word best describes the hypodermis?

• useless
• muscular
• hard
• fatty

Where can you find dead skin cells?

• innermost layer of skin
• outermost layer of skin
• between epidermis and dermis
• between dermis and hypodermis