Ch2 - Vocab (pp. 55-62) Flashcards Preview

9th Geo - Test Study Sheets > Ch2 - Vocab (pp. 55-62) > Flashcards

Flashcards in Ch2 - Vocab (pp. 55-62) Deck (16)
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1
Q

Homeostasis

A

The internal environment needed to allow cells to survive.

2
Q

Skin

A
  • Primary organ of the integumentary system

- The largest organ of the body.

3
Q

Dermatology

A

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

4
Q

Hypodermis

A
  • Subcutaneous layer
  • A fatty layer of loose connective tissue that attaches the skin to muscle and bone.
  • Insulates against heat and cold.
5
Q

Dermis

A
  • The most complex layer of the skin

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

6
Q

Hair follicles

A

Small sacs of epidermal ells in the dermis.

7
Q

Sebaceous glands

A

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

8
Q

Sweat Glands

A

Helps regulate body temperature.

9
Q

Sensory receptors

A

Nerve endings in the dermis.

10
Q

Epidermis

A

The skin’s outer later

11
Q

Pathogens

A

Disease-causing organisms.

12
Q

Cuticle

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

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

13
Q

Plaque

A

A sticky, colorless film of harmful bacteria

14
Q

Halitosis

A

Bad-smelling breath

15
Q

Malocclusion

A

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

16
Q

Melanin

A

Dark-colored pigment in the skin.