Need To Know

Question 1

Largest Body organ as it covers and lines both the inside and outside of the body

Answer 1

INTEGUMENTARY SYSTEM (SKIN)

Question 2

3 Layers of the Skin:

Answer 2

• epidermis- outer layer of the skin
• dermis- second layer of the skin often referred to as the “true skin”
• subcutaneous- third layer of the skin acts as a protector of vital organs and as an insulator

Question 3

Functions of the Integumentary (skin):

Answer 3

• protection from infection
• regulation of body temperature
• touch/sensation: pain and pressure
• prevention of dehydration
• reservoir for food and water
• creation of vitamin D when the skin is exposed to sunlight

Question 4

3 Appendages (accessory organs) of the skin:

Answer 4

1. • The Glands
   • sebaceous glands- secrete oil
   • sudoriferous- produce sweat
2. • Hair
3. • Nails

Question 5

The muscles are responsible for:

Answer 5

• contribute to posture
• protective covering for the internal organs
• movement
• generation of heat

Question 6

Skeletal (206 bones) are responsible for:

Answer 6

• framework of the body
• movement
• protection of internal organs
• storing of calcium and other minerals
• production of blood cells within the bone marrow

Question 7

..is responsible for sending and receiving message between the brain, spinal cord and the nerves
(Switchboard of the body)

Answer 7

THE NERVOUS SYSTEM

Question 8

..is responsible for circulating blood (through the action of the heart pumping) to cells and organs of the body

Answer 8

THE CARDIOVASCULAR (CIRCULATORY) SYSTEM

Question 9

..is responsible for:
   *oxygenation of the body
   *exchange of the respiratory 
     gases: 
       >oxygen 
       >carbon dioxide

Answer 9

THE RESPIRATORY SYSTEM

Question 10

..(kidneys) filter the blood removing waste and impurities and the bladder stores the urine until it is excreted from the body

Answer 10

THE URINARY SYSTEM

Question 11

..is responsible for the intake, breakdown and absorption of nutrients and excretion if waste products

Answer 11

THE DIGESTIVE SYSTEM

Question 12

..is the “horse power” of the body, it regulates the body system by use of chemicals and hormones

Answer 12

THE ENDOCRINE SYSTEM

Question 13

..has organs for pleasure and for reproduction

Answer 13

THE REPRODUCTION SYSTEM

Question 14

The special senses include:

Answer 14

• olfaction
• gustation
• vision
• audition-hearing/balance is located here in the semi-circular canals in the ear and the cerebellum in the brain
• touch:pain, pressure and temperature these are general sensations and are not identified you any specific site of the body

Question 15

..is responsible for sight

Answer 15

THE EYE

Question 16

..is responsible for the hearing balance

Answer 16

THE EAR

Question 17

..is responsible for breathing, air is inspired it is then warmed, humidified and filtered by the cilia-hair like projections within..

Answer 17

THE NOSE

Question 18

..has taste buds for the discrimination of tastes: sweet, sour, salty and bitter

Answer 18

TOUNGUE