Functions Of The Human Organ System

Question 1

Integumentary System Function:

HAIR
SKIN
FINGERNAILS

Answer 1

Produces vitamin D
Waterproofs the body
External cover
Excretes salt and perspiration
Helps regulate body temp
Location of nerve receptors

Question 2

Skeletal System Function:

CARTILAGES
JOINT
BONES

Answer 2

Protects and supports body organs
Provides framework the muscles use to cause movment
Blood cells are formed within bones, stores minerals

Question 3

Muscular System Function:

SKELETAL MUSCLES

Answer 3

Allows manipulation of the environment, locomotion and facial expressions
Maintains posture, produces heat

Question 4

Nervous System Function:

BRAIN
SENSORY RECEPTORS
SPINAL CORD
NERVES

Answer 4

Fast acting control system

Responds to internal and external changes by activating appropriate muscles and glands

Question 5

Endocrine System Function:
(think glands and hormones)

PINEAL GLAND
PITUITARY GLAND
THYROID GLAND
THYMUS GLAND
ADRENAL GLAND
PANCREAS
TESTIS
OVARY

Answer 5

Secretes chemical molecules, called hormones into the blood.

body function controlled by hormones include: growth and reproduction

Question 6

Cardiovascular System Functions:

HEART
BLOOD VESSEL

Answer 6

Blood vessel transport blood which carries oxygen, nutrients, hormones, carbon dioxide wastes

Question 7

Respiratory System Functions:

NASAL CAVITY
LARYNX
PHARYNX 
TRACHEA
BRONCHI 
LUNGS

Answer 7

Keeps blood constantly supplied with oxygen and removes carbondioxide
the gaseas exchanges occur through the walls of the air sacks

Question 8

Lymphatic System Functions:

LYMPH NODES
LYMPHATIC VESSELS

Answer 8

Picks up fluid leaked from blood vessels and returns it to blood
disposes of debris in lymphatic stream
houses white blood cells involved in immunity

Question 9

Digestive System Functions:

RECTUM
LARGE AND SMALL INTESTINES
STOMACH
ESOPHAGUS
ORAL CAVITY

Answer 9

Breaks food down into absorbable nutrients that enter the blood for distribution to body cells
indigestible food stuffs are eliminated as feces

Question 10

Urinary System Function:

KIDNEY
URINARY BLADDER
URETER
URETHRA

Answer 10

Eliminates nitrogen containing wastes from body, regulates water, electrolyte and acid base balance of blood

Question 11

Reproductive System Functions (male and female)

MALE: TESTIS, SCROTUM, PENIS, ACCESSORY GLANDS, DUCT SYSTEM
FEMALE: OVARY, UTERINE TUBES, UTERUS, VAGINA MAMMORY GLANDS

Answer 11

Production of offspring
Testis make the sperm and male sex hormone
ducts and glands aid in delivery of viable sperm to female tract:
ovaries produce eggs and female sex hormones
remaining structures serve as sites for fertilization and development of fetus
MAMmory glands produce milk for nourishment