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How much energy does a person need in a day in joules?

On average, an adult requires about 8,700,000 joules (8.7 megajoules) of energy per day to maintain bodily functions, perform daily tasks, and engage in physical activity. This is equivalent to approximately 2,000 kilocalories (kcal) or calories.


Why do muscles require more energy even when they are not very active at the moment?

Muscles require more energy even when they are not very active because they need a baseline level of energy to maintain their structure and function, such as maintaining muscle tone and readiness to contract when needed. This baseline energy consumption is known as the basal metabolic rate of muscles.


Is there a human activity that does not need energy?

Almost all human activities require some form of energy, whether it's physical energy or energy from sources like electricity or fuel. However, very basic activities such as sleeping or stillness may not require as much energy compared to more active tasks.


Why does the 14-year old boy need more energy than the male office worker?

because adolescent like us are at growing stage and when a person is in an growing stage he\she needs more energy than an elderly person .the energy he\she gains is digested easily by his\her activeness and an elderly person is not much active


What is the difference between passive solar energy systems and active solar energy systems?

The difference between a passive solar energy system and and active solar energy system is how the energy is collected and distributed. In a passive solar energy system, the building itself is designed as a collector and the heat is distributed by natural means. In an active solar energy system, special collectors, storage tanks, and mechanical and electrical equipment (pumps and fans) are used to transport and distribute the heat energy. Passive systems - convert sunlight into electricity, which is used to heat a hot-water tank. Active systems have tubes behind them filled with water from the household supply. The direct energy from the sun heats the water in the tubes. Passive solar usually has no moving parts and the sun's energy is stored directly in whatever the sun is hitting such as a large mass or a room. Active solar heating will usually involve the use of pumps to pump a fluid to solar collectors and then back to a distribution point where the solar energy collected is transferred to another heating system, such as a forced hot air system. Active solar is much more complicated. Passive solar heating has no moving parts, but utilizes windows and the sun. The position of the house is very important. Active solar heating uses solar panels to produce electricity for heating, or pumps to move water warmed by the sun.

Related Questions

Why does an active person need energy?

They need energy because someone could go to the park and have a run around they need that energy to do it they also. Need energy to do more active and physical sports. By kasie leigh bevan


Does active transport need energy?

yes


How do passive and active transport differ?

yyou momm a is ugly


How much energy do you need for your body?

The amount of energy needed for the body varies based on factors like age, sex, weight, activity level, and overall health. On average, adult women require about 1,800 to 2,400 calories per day, while adult men typically need between 2,200 to 3,000 calories. These values can change significantly based on physical activity; more active individuals require more energy. It's important to tailor caloric intake to individual needs for optimal health and performance.


Is active transport ATP dependent?

Active transportation need energy.That energy is given by ATP.


What type of transport needs energy?

Active transport needs energy, passive transport does not need energy.


Why do young children and active teenagers have high energy needs?

They are growing so they need more energy/food. (Also, they are always active.)


Where do you expect to find more mitochondria?

You would expect to find more mitochondria in cells that require a lot of energy, such as muscle cells or liver cells. These cells need more mitochondria to produce ATP through cellular respiration to meet their energy demands.


What a cell need to transport particles by active transport?

Energy


How much does an adult need?

Twice as much as a child.


How is facilitated transport different from active transport?

Facilated transport does not need to use energy but active transport does.


What is the proper medical answer for how much sleep an adult need?

an adult need sleep of maximum 8 hours.