Cells that require a lot of energy include muscle cells, particularly those in cardiac and skeletal muscles, as they are constantly contracting and need ATP for movement. Neurons also demand significant energy to maintain ion gradients and transmit signals. Additionally, cells involved in active transport and metabolic processes, such as liver cells, require substantial energy to perform their functions efficiently.
Because they are very active. They need a lot of energy.
If cells do not have immediate energy needs, they can convert glucose to glycogen for storage in the liver and muscles until it is needed. This stored glycogen can be broken down into glucose when the cells require energy.
Cells don't store energy. They make it as they need it.
Some cells might need more energy than others , and since mitochondria are the powerhouses of a cell, an increased number of mitochondria means higher energy. For example, muscle and sperm cells may need a lot of mitochondria than other cells because of their continuous, rapid movement.
Plant cells synthesize their food by photosynthesis. Animal cells can not do like plants, so it needs to be taken.Digestion of food molecules will help the cells to make energy(ATP).
Energy....
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They both have mitochondria
mitochondria supply the energy to the cells. Muscle cells require a lot of energy for contraction. Therefore muscle cells need a lot of mitochondria.
Cells that require a lot of energy to carry out their functions, such as muscle cells and nerve cells, tend to have a high concentration of mitochondria. Muscle cells, for example, require a lot of energy to contract and relax, so they have a high density of mitochondria to produce the ATP (adenosine triphosphate) required for energy. Similarly, nerve cells require a lot of energy to transmit signals along their length, so they also have a high concentration of mitochondria. Other cells that have a high density of mitochondria include liver cells, which have a lot of metabolic processes, and kidney cells, which require a lot of energy to carry out their filtration function.
Because they are very active. They need a lot of energy.
Cells that require a lot of energy for daily activities, such as muscle cells.
If cells do not have immediate energy needs, they can convert glucose to glycogen for storage in the liver and muscles until it is needed. This stored glycogen can be broken down into glucose when the cells require energy.
Heart is a very active organ. It functions through out the life. It needs a lot of energy.