Integumentary System and Aging Effects

The video provides an overview of the integumentary system, detailing its components such as skin, hair, nails, and glands. It explains the system's functions, including protection, temperature regulation, and vitamin D synthesis. The video also discusses how aging affects the integumentary system, leading to changes like thinning skin, decreased immune response, and slower repair processes.

Which of the following is NOT a component of the integumentary system?

• Liver

• Skin

• Hair

• Nails

What is the outermost layer of the skin called?

• Hypodermis

• Epidermis

• Subcutaneous

• Dermis

Which structure is responsible for waterproof protection in the skin?

• Elastin

• Collagen

• Keratin

• Melanin

How does the integumentary system help regulate body temperature?

• By changing blood vessel diameter

• By synthesizing vitamin D

• By storing fat

• By producing melanin

Which vitamin is synthesized with the help of the skin?

• Vitamin A

• Vitamin B

• Vitamin C

• Vitamin D

What is the primary function of Meissner's corpuscles?

• Detecting pain

• Sensing light touch

• Sensing deep pressure

• Detecting temperature

Which of the following is an example of excretion by the integumentary system?

• Sebum

• Sweat

• Keratin

• Melanin

What happens to the epidermis as we age?

• It becomes more elastic

• It produces more melanin

• It thickens

• It thins

Why does hair often turn gray as we age?

• Increased melanin production

• Decreased melanocyte activity

• Increased blood supply

• Thicker hair follicles

What is a common effect of aging on the skin's ability to repair itself?

• Repair time is cut in half

• Repair time remains the same

• Repair time doubles

• Repair time decreases