The Body SystemsThe Body Systems

Basic Anatomy

and Physiology

WHY?WHY?

In order to better understand drugs and their effects on the human body.

A rudimentary knowledge of its’ workings will help understand how we manipulate the bodies processes to treat, prevent and cure disease.

The SkeletonThe Skeleton

Bone tissue Rigid frame work

moved by muscles Site for attachment

of muscle tissue Protects soft organs Cartilage firm,

semisolid, flexible

The Neuron The

Neuron

Brain, spinal cord & peripheral nerves

Electrochemical Messengers

Dendrites communication network

Sensory (peripheral)

Motor (muscle, glands, skin)

Receptors (chemicals, light, sound, touch)

Immune System

Immune System

Lymph nodes– Filtration system

Antibodies Immune system

over-reaction Immune system

failure

Digestive TractDigestive Tract

Digestion– Mechanical phase– Chemical phase

Acid–Receptors–Pumps

Peristalsis Esophageal

Sphincter

Urinary SystemUrinary System

Eliminates waste Maintains Na+ and

H2O balance Blood Flow

– Renal failure Regulate blood

composition– Filtration– Reabsorption– Secretion

KidneysKidneys

Respiratory SystemRespiratory System

Delivers air to lungs Gas Exchange

– O2 diffuses from lungs to blood

– CO2 diffuses from blood to lungs