Ch2 - Vocab (pp. 55-62)

Question 1

Homeostasis

Answer 1

The internal environment needed to allow cells to survive.

Question 2

Skin

Answer 2

• Primary organ of the integumentary system

- The largest organ of the body.

Question 3

Dermatology

Answer 3

The study of the skin - it’s structure, functions, disorders, and diseases.

Question 4

Hypodermis

Answer 4

• Subcutaneous layer
• A fatty layer of loose connective tissue that attaches the skin to muscle and bone.
• Insulates against heat and cold.

Question 5

Dermis

Answer 5

• The most complex layer of the skin

- Contains blood vessels, hair follicles, sebaceous glands, and sweat glands.

Question 6

Hair follicles

Answer 6

Small sacs of epidermal ells in the dermis.

Question 7

Sebaceous glands

Answer 7

Produce an oily secretion called sebum which moisturizes the skin and helps keep it soft and flexible.

Question 8

Sweat Glands

Answer 8

Helps regulate body temperature.

Question 9

Sensory receptors

Answer 9

Nerve endings in the dermis.

Question 10

Epidermis

Answer 10

The skin’s outer later

Question 11

Pathogens

Answer 11

Disease-causing organisms.

Question 12

Cuticle

Answer 12

• A layer of dead cells at the base of the nail

- Helps prevent disease-causing bacterial from entering your body.

Question 13

Plaque

Answer 13

A sticky, colorless film of harmful bacteria

Question 14

Halitosis

Answer 14

Bad-smelling breath

Question 15

Malocclusion

Answer 15

A condition in which the teeth of the upper and lower jaws do not aline properly.

Question 16

Melanin

Answer 16

Dark-colored pigment in the skin.