Cells are the basic elements of all living entities. The human body consists of trillions of cells. They provide the structure of the body, take nutrients from food, transform these nutrients into energy and fulfill specialized functions. Cells also contain hereditary body material and can create their own copies. The cells have many parts, each with a different function. Human cells contain the following main parts, listed in alphabetical order. Read on more body cells function.


Body cells function


Inside cells cytoplasm consists of a jelly-like fluid (called cytosol) and other structures surrounding the nucleus.



In body cells function, A cytoskeleton is a network of long fibers that form the cell’s structural structure. The cytoskeleton has several critical functions, including determining the shape of the cell, participating in the cell division and allowing the cells to move. It also provides a track-like system that directs the movement of organelles and other substances in cells.


Endoplasmic reticulum (ER)

Organelle helps to process the molecules produced by the cell. The endoplasmic reticulum carries these molecules to their specific targets inside or outside the cell.


Golgi apparatus

The Golgi apparatus packs the molecules processed by the endoplasmic reticulum to be transported from the cell.


Lysosomes and peroxisomes

These organelles are the center of cell recycling. They digest foreign bacteria that attack the cell, remove the cell of toxic substances and process used cellular components.



Mitochondria are complex organelles that convert energy from food into a form that a cell can use. They have their own genetic material, separated from the DNA in the nucleus and can create copies of themselves.



In body cells function, The kernel serves as the command center of the cell, sending directions to the cell to grow, mature, divide or die. It also contains DNA (deoxyribonucleic acid), hereditary cell material. The kernel is surrounded by a membrane called the nuclear coating that protects the DNA and separates the nucleus from the rest of the cell.


Plasma membrane

A plasma membrane is the outer lining of a cell. It separates the cell from the environment and allows materials to enter and exit the cell.



Ribosomes are organelles that process cell genetic instructions to produce proteins. These organelles can float freely in the cytoplasm or be connected to the endoplasmic reticulum (see above).



Other body cells function

All biological functions that enable life are powered by our genes – specifically the expression of these genes. Recently, an international team of scientists has observed genetic activity in post-mortem cells.


In body cells function, Genes and genetic activity are defined by two types of code, DNA and RNA. DNA is instructions, and RNA acts as a translator. RNA “expresses” DNA by reading the code and translating it into action – or biological body cells function.


While RNA can directly control certain cellular processes, it also provides coded instructions for proteins that perform various cellular functions. Studying these coded instructions, called transcriptomics, is the basic way in which scientists get insights into cell factories that make life possible.


To better understand how genetic activity strengthens cellular functions, scientists need to study cellular samples. Tissues and organs removed after death offer an abundance of cellular samples, but until now scientists were not sure if post-mortem cells could offer accurate amalgam for living body cells.


But when Guigó and his colleagues compared genetic activity inside cells from samples taken after death and organs to genetic blood activity from living people, they found that genetic expression persists after death.


While RNA levels after death do not decrease, the types of genetic expression change after death. Some types of RNA transcription actually increase after death, studies have shown.


There is a cell reaction to the death of the individual

we see some pathways, some genes that are activated, and that means there is still some activity at the transcription level after death,” Guigó said.


New research confirms the results of other scientists who have shown that the medical definition of death is not definitive and that even brain cells may still function to a certain extent after cardiac arrest.


Some studies even suggest that human consciousness can continue beyond the medical definition of death – defined by the loss of heart and respiratory body cells function.


In addition to a better general understanding of the genetic function of our cells, the latest research can also inspire new forensic tests, enabling scientists to more accurately predict the time of death.

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