Science

What are the components of Earth's life support system quizlet?

By: Sven Van PuttenUpdated: January 16, 2021

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Terms in this set (34)
  • atmosphere (air)
  • the hydrosphere (water)
  • the geosphere (rock, soil, and sediment)
  • biosphere (living things)

Also asked, what are the four major components of the Earth's life support system?

Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air).

Secondly, how does the Earth's life support system work?

NASA's Life Support Systems (LSS) activities develop the capabilities to sustain humans who are living and working in space - away from Earth's protective atmosphere and resources like water, air, and food. Analysis of these systems allows NASA to identify areas where additional technology development is needed.

What are the major components of the five spheres of the Earth system?

Terms in this set (7)
  • system. a group of parts that work together as a whole.
  • name Earth's 5 spheres. atmosphere, cryosphere, hydrosphere, biosphere, geosphere.
  • atmosphere. the envelope of gases surrounding Earth's surface.
  • geosphere. all of Earth's rocks and metals (land)
  • hydrosphere.
  • cryosphere.
  • biosphere.

Which component is part of the biosphere?

The biosphere is the portion of Earth where life occurs -- the portions of the land, water and air that hold life. These parts are known, respectively, as the lithosphere, hydrosphere and atmosphere. The lithosphere is the land mass, excluding Earth's mantle and core, which do not support life.

Related

Is a lithosphere?

The lithosphere is the solid, outer part of the Earth. The lithosphere includes the brittle upper portion of the mantle and the crust, the outermost layers of Earth's structure. The lithosphere is far less ductile than the asthenosphere.

Is life support the end?

Doctors usually advise stopping life support when there is no hope left for recovery. The organs are no longer able to function on their own. Choosing to remove life support usually means that the person will die within hours or days. The timing depends on what treatment is stopped.

What is a life support system?

Life-support systems provide all or some of the elements essential for maintaining physical well being, as for example oxygen, nutrients, water, disposal of body wastes, and control of temperature and pressure. The danger of contaminants and psychological factors must also be considered.

What is the life support system among?

In human spaceflight, a life-support system is a group of devices that allow a human being to survive in space. The life-support system may supply air, water and food. It must also maintain the correct body temperature, an acceptable pressure on the body and deal with the body's waste products.

What are the types of life support?

Some examples include:
  • Feeding tube.
  • Total parenteral nutrition.
  • Mechanical ventilation.
  • Heart/Lung bypass.
  • Urinary catheterization.
  • Dialysis.
  • Cardiopulmonary resuscitation.
  • Defibrillation.

How much oxygen does an astronaut need per day?

In all, this process produces around 2 kilograms of oxygen per day. According to NASA, the average person needs around 0.84 kilograms of oxygen per day to survive and the International Space Station typically has three astronauts aboard at any given time.

What is a life support system in space?

In human spaceflight, a life-support system is a group of devices that allow a human being to survive in space. The life-support system may supply air, water and food.

What gases are important to sustain life?

Carbon dioxide (CO2) and oxygen (O2) are the most important gases for living organisms. CO2 is vital for use by plants in photosynthesis, in which plants use CO2 and water to convert the Sun's energy into food energy.

How does space station have oxygen?

Most of the station's oxygen will come from a process called "electrolysis," which uses electricity from the ISS solar panels to split water into hydrogen gas and oxygen gas. The hydrogen is used for making sugars, and the oxygen is released into the atmosphere.

Is our basic life support system?

Environment is our basic life support system. It provides the air we breathe, the water we drink, the food we eat and the land where we live. The place, people, things and nature that surround any living organism is called environment. It is a combination of natural and human made phenomena.

What is a support system?

Definition of support system. : a network of people who provide an individual with practical or emotional support.

What are two examples of emergencies that can occur while in outer space?

In fact, ammonia leaks are one of what astronauts call the “big three”—the most deadly space station emergencies. The other two are fire and depressurization. Fire is particularly dangerous because of how unpredictable it can be.

How does the biosphere act as a life support system?

The biosphere acts as a life support system for the planet, helping to regulate the composition of the atmosphere, maintaining soil health and regulating the hydrological (water) cycle. Service: A measure a biome takes to serve for the planet.

How is oxygen recycled in space?

Water also gets reclaimed by condensers that remove water vapor from the cabin air (astronauts exhale water vapor). Finally, water can be recycled from the astronauts' urine by the ECLSS unit. The hydrogen gas made in the electrolysis process gets vented into space and the oxygen gas is circulated into the cabin air.

How do astronauts bathe?

The astronauts wipe their body clean by using a wet towel, and wash their hair by using waterless shampoo. Since water does not flow in a zero-gravity environment, the astronauts cannot wash their hands under a faucet as you do on Earth. So, there are no sinks or showers inside the space shuttle.