Functions of the Integumentary System

The video provides an overview of the integumentary system, highlighting the skin as the largest organ. It explains the skin's functions, such as protection from dehydration, pathogens, and UV light, as well as its role in temperature regulation and waste removal. The video details the skin's layers: epidermis, dermis, and hypodermis, and their components like blood vessels and nerve fibers. It also covers the protective roles of hair and nails. The video concludes with a call to subscribe for more educational content.

What percentage of your overall weight is made up by your skin?

• 25%

• 20%

• 16%

• 10%

How does your skin help in maintaining homeostasis?

• By storing fat

• By absorbing nutrients

• By regulating body temperature

• By producing melanin

What is the primary function of melanin in the skin?

• To store energy

• To absorb ultraviolet light

• To provide elasticity

• To produce sweat

Which layer of the skin is directly visible when you look at your skin?

• Hypodermis

• Dermis

• Subcutaneous

• Epidermis

What is the function of the oil glands in the dermis?

• To store energy

• To regulate body temperature

• To keep the skin flexible and waterproof

• To produce melanin

Which of the following is NOT found in the dermis?

• Blood vessels

• Nerve fibers

• Melanin

• Hair follicles

What is the primary role of the hypodermis?

• To produce sweat

• To produce vitamin D

• To provide sensory feedback

• To act as an energy reserve

How does hair help protect the body?

• By storing fat

• By blocking UV light and keeping dust out

• By absorbing nutrients

• By producing sweat

What is one of the functions of nails in the integumentary system?

• To store energy

• To regulate body temperature

• To protect the tips of fingers and toes

• To produce melanin

Which of the following is a function of the integumentary system?

• Protecting against pathogens

• Producing hormones

• Circulating blood

• Digesting food