Question

system inputs and outputs
describe the purpose (what the system does), inputs (things that go into the system, like energy or raw materials), and outputs (things the system produces) of each system.
digestive system
purpose:
input(s): output(s):
a vehicle
purpose:
input(s): output(s):
healthcare system
purpose:
input(s): output(s):
elevator
purpose:
input(s): output(s):

Explanation:

Digestive System

• Purpose: Breaks down food for nutrient absorption and energy - extraction.
• Inputs: Food and water.
• Outputs: Waste (feces) and absorbed nutrients.

A Vehicle

• Purpose: Transports people or goods from one place to another.
• Inputs: Fuel (e.g., gasoline, diesel), air (for combustion in internal - combustion engines), and sometimes electricity.
• Outputs: Movement of the vehicle, exhaust gases (in non - electric vehicles), and heat.

Healthcare System

• Purpose: Provides medical care, promotes health, and prevents diseases.
• Inputs: Medical staff (doctors, nurses, etc.), medical equipment, medications, and patients.
• Outputs: Treated and healthy patients, medical reports, and health - related advice.

Elevator

• Purpose: Moves people or objects between different floors in a building.
• Inputs: Electricity, control signals (from buttons pressed by users).
• Outputs: Vertical movement of the elevator cab, opening and closing of doors.

Answer:

Digestive System

• Purpose: Breaks down food for nutrient absorption.
• Input(s): Food, water
• Output(s): Feces, absorbed nutrients

A Vehicle

• Purpose: Transport people or goods.
• Input(s): Fuel, air (for combustion), sometimes electricity
• Output(s): Movement, exhaust gases (in non - electric), heat

Healthcare System

• Purpose: Provide medical care and promote health.
• Input(s): Medical staff, equipment, medications, patients
• Output(s): Treated patients, medical reports, health advice

Elevator

• Purpose: Move people or objects between floors.
• Input(s): Electricity, control signals
• Output(s): Vertical movement of cab, door operations