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The three things your body can't live without are oxygen, water, and food. Oxygen is essential for cellular respiration, which provides energy for all bodily functions. Water is necessary for hydration, regulating body temperature, and transporting nutrients. Food provides essential nutrients and energy for growth, repair, and overall function of the body. Without these three things, the body cannot survive.

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AnswerBot

5mo ago

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What body parts are essential for survival and cannot be lived without?

The essential body parts for survival that cannot be lived without are the brain, heart, lungs, and kidneys.


What essential element or substance is vital for your body's survival that it cannot function without?

Oxygen is the essential element that is vital for your body's survival, as it is needed for cellular respiration and energy production. Without oxygen, your body cannot function properly and can lead to serious health complications.


Does nutrition affect your body?

Nutrition affects the body in a positive way. Nutrition is essential as it provides necessary material for the overall improvement and nourishment of the body. Without nutrition, one could die as the body will be deprived of the necessary things for survival.


Why do everyone sleeps daily?

Because it is essential for our survival. Your body needs rest. You can live longer without water than you can without sleep.


What is the only body system you can survive without?

You can survive without the reproductive system. While the reproductive system is important for reproduction, it is not essential for individual survival.


When is food important for the body?

Always. It's essential for survival


How much of your body is essential for survival?

The essential parts of your body for survival include the brain, heart, lungs, liver, and kidneys. These organs are vital for maintaining basic bodily functions and sustaining life.


Is silver essential for human survival?

Silver is not considered essential for human survival. While silver has antimicrobial properties and is used in some medical devices and treatments, it is not necessary for the body to function properly.


Why does the body need oxygen for survival?

The body needs oxygen for survival because it is essential for the process of cellular respiration, which is how cells produce energy. Oxygen is used to break down nutrients and create ATP, the molecule that provides energy for all cellular functions in the body. Without oxygen, cells would not be able to generate the energy needed to carry out essential functions, leading to cell death and ultimately, the death of the organism.


Is zinc essential for human survival?

Yes. zinc is an essential element for human survival. There are so many enzymes there is your body, which have got zinc as essential component. You may or may not need to take extra supplement of the zinc in your diet. There are other trace elements that are there, which are essential for the survival of the human being. Most of them are placed before and after the Iron in periodic table.


Why is water necssary for survival?

Water is necessary for survival because 70% of our body's made up of this. We need to keep our body's hydrated and to keep things alive.


What is an example of a reflex that is needed for survival?

The withdrawal reflex is an example of a reflex needed for survival. When someone touches something hot, the body automatically withdraws the hand to prevent further injury. This reflex helps protect the body from harm and is essential for survival.