Skin Structure

The __________________ layer acts as a protective barrier and reduces evaporation.

________________________ provide oxygen and food to the skin cells.

• sweat glands

• nerve endings

• capillaries

• sebaceous gland

Tags

NGSS.MS-LS1-3

This is found in the dermis and helps to make the skin waterproof, by secreting oil

• sweat gland

• nerve endings

• capillaries

• sebaceous gland

Sensitive to touch, pressure, pain and temperature

• capillaries

• sensory nerve endings

• sweat gland

• sebaceous gland

Which layers make up the main structure of the skin?

• Dermis

• Epidermis

• Stratum corneum

• Subcutaneous layer

What are the functions of the subcutaneous layer of the skin?

• Insulation

• Calorie storage

• Melanin production

• Protection of internal organs

Which statements accurately describe the lower layers of the epidermis?

• Contain keratin-forming cells

• House melanocytes that produce melanin

• Responsible for sensation of touch and pressure

• Number of melanocytes varies with racial differences

Tags

NGSS.MS-LS1-5

The small, involuntary muscles attached to the hair follicle in the dermis that cause goosebumps are called...

• Cardiac muscle

• Arrector pili

• Skeletal muscle

• Smooth muscle

Skin, hair, and nails all follow the same process (living cells divide at the base of the structure, the cells move up/outward and die, and finally the cells harden/keratinize).

• True

• False

Sebaceous glands secrete..

• ear wax

• sebum

• sweat

• hormones

Tags

NGSS.MS-LS1-2