Human Cell :Structure,Function,and Organelles Complete Nursing Notes in English

 Hello Friends and future Nursing Officer.Welcome to our nursing study blog Today we will discuss the most basic and important topic of Anatomy and physiology The Human Cell.

Whether you are GNM/Bsc. Nursing student or preparing for competitive exam like AIIMS NORCET or RRB, understanding the cell is very Important. In this article we will learn about the definition,structure,and functions of the human cell in detail.

1. Definition of Cell

The cell is defined as the smallest structural and functional unit of a living organism. It is often called the ''building block of life'' The study of cell is known as cytology.

Robert Hooke-Father of cell                       

 Cytology-Study of cell                                                                 Human Cell

2.Structure of the cell

A typical human cell consists of the three main parts.

1. Cell membrane

2.Cytoplasm

3.Nucleus

Type of RNA-

1.tRNA   Transfer ribonucleic acid) ;-Synthesizes a protein from an  mR molecules necessary molecule.

2.rRNA   (Ribosomal RNA) ;-Bind tRNA and various accessory for protein synthesis.

3.mRNA   (Messenger RNA);-Synthesized at in nucleus

Nucleus;- largest cell organelle

                 controller of cell

                 absent in RBC

Mitochondria;- powerhouse of cell

                          ATP mill of cell

                          second largest cell organelle

                          sausage shaped

                           1st step of heme synthesis

Lysosome;-suicide bag

Ribosome;-protein factory of cell