DO NOWName an organ system and list as many

organs as you can think of that are within that system.

ORGAN SYSTEMS

Section 1.6

OBJECTIVES To identify the different organ systems

of the human body. To explain what each body system does. To list the different organs in each body

system and explain their function. To apply knowledge of the body systems

to identify which system a particular disease effects.

FUNCTIONS OF OUR SYSTEMSa) Body Coveringb) Support and Movementc) Integration and Coordinationd) Transporte) Absorption and Excretionf) Reproduction

A. BODY COVERING

1. Integumentary System: Protects underlying tissues Regulates body temp Houses sensory receptors Synthesizes certain

products

Skin

Hair

INTEGUMENTARY COMPONENTS Skin Hair Nails Sweat Glands Sebaceous Glands

NailsSkin

Hair

B. SUPPORT AND MOVEMENT

1. Skeletal System:Provides frameworkProtectsProvides attachments for musclesProduces blood cellsStore inorganic salts

Joint

SKELETAL SYSTEM Bones Cartilage Ligaments

Bones

Joint

B. SUPPORT AND MOVEMENT2. Muscular System:

Maintains postureProvides body with heatWorks together by

alternating contracting and relaxing for movement

Skeletalmuscles

C. INTEGRATION AND COORDINATION1. Nervous System:

Communication via nerve impulses to and from muscles and glands for short periods of time.

NERVOUS SYSTEM Brain Spinal Cord Nerves Sensory Organs

Brain

NervesSpinalcord

C. INTEGRATION AND COORDINATION

2. Endocrine System:Secretes hormones to affect metabolism of

target cells for long periods of time.

ENDOCRINE SYSTEM Hypothalamus Pituitary gland Thyroid gland Parathyroid gland Adrenal gland Pineal gland Thymus Pancreas Ovaries Testes

Pineal gland

PituitaryglandThyroid

glandThymus

AdrenalglandPancreas

Testis

Ovary

D. TRANSPORT

1. Cardiovascular System:Heart pumps blood through vesselsBlood transports gases, nutrients, wastes,

hormones

CARDIOVASCULAR SYSTEM Heart Vessels

ArteriesVeins

Blood

Heart

Bloodvessels

D. TRANSPORT

2. Respiratory System- Delivers air to the alveoli where

oxygen exchange occurs.- Removes carbon dioxide from the

bloodstream.

RESPIRATORY SYSTEM Trachea Pharynx Larynx Bronchi Lungs

Nasalcavity

Bronchus

Pharynx

Larynx

Trachea

Lung

D. TRANSPORT

3. Lymphatic System:Defends body against infection with

lymphocytesTransports tissue fluid back to blood streamCarries fatty substances from digestive

system to blood stream

LYMPHATIC SYSTEM Lymphatic vessels Lymph fluid Lymph nodes Thymus Spleen

Lymphaticvessels

Red bonemarrow

Thymus

Spleen

Lymphnodes

E. ABSORPTION & EXCRETION

1.Digestive System- processes and digests food- absorbs and conserves water- absorbs nutrients- stores energy

DIGESTIVE SYSTEM Teeth Tongue Salivary Glands Pharynx Esophagus Stomach Small intestine Large intestine Liver Gallbladder Pancreas

Liver

Oral cavity

Esophagus

Largeintestine

StomachSmallintestine

Rectum

E. ABSORPTION & EXCRETION

2. Urinary System-Filters the blood - Controls water balance by

regulating volume of urine-Regulates blood ion concentrations

and pH

URINARY SYSTEM Kidneys Ureters Urinary bladder Urethra Kidney

Ureter

UrinarybladderUrethra

F. REPRODUCTION

1. Reproductive SystemMale: produces male sex cells and hormonesFemale: produces female sex cells

and hormones, supports embryo development, provides milk for newborn.

REPRODUCTION Male Organs

Testes Epididymis Vas deferens Seminal vesicles Prostate gland Penis Scrotum

Female Organs Ovaries Uterine tubes Uterus Vagina Labia Mammary glands

CASE STUDIES Get with your group and try to

determine the disease being explained in your case study. Use your phone or the computer to research it. Write a summary of the disease with your group and be ready to share it with the class.