Systems in Action

Plus de détails

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severe trauma to any of these subsystems are categorized as "side effects" since they result in undesirable outcomes

System Components

System Side Effects

e.g. cars causing pollution

Subsystems

helps system perform task/smaller systems within a system

Input

Output

e.g. can opener opening a can

Examining Physical Systems

human skeletal system

components

axial skeleton

skull

to protect brain and support facial structure

severe trauma to this subsystem can cause a skull fracture

vertebrae

vertebrae can develop osteoporosis because of malnutrition and other reasons

(osteoporosis is a skeletal disease that weakens the vertebrae)

protects spinal cord and supports and allows movement to body

ribcage

trauma to the chest can cause ribs to break, which in turn causes sharp pains to inner organs

shields heart and lungs while providing structural stability to upper body

appendicular skeleton

subsystems

leg bones

to allow us to perform crucial functions such as moving, standing and performing other various activities

pelvic girdle

to support body weight and hold leg bones in place

shoulder girdle

allows the shoulder a large range of motion, and acts as an anchor to

arm bone

help arms withstand stress during exercise and other various activities

Systems Evolve

evolution of the telephone

Types of Systems

Human Made Social Systems

orchestra

different instruments (and the players)

woodwind instruments

string instruments

percussion instruments

Human Made Physical Systems

the internet

different types of hardware

servers

ethernet cables

modems

Natural Social Systems

human body

different biological subsystems

nervous system

controls the body

muscular system

allows movement

controls heartbeat

skeletal system

supports and protects vital organs