Biology

Central nervous system: functions, characteristics, anatomy

The main part of the nervous system of vertebrates and humans is the central nervous system. It is represented by the brain and spinal cord and consists of many...

Structures of a living cell

Add your price to the database Comment Animal and plant cells, both multicellular and unicellular, are in principle similar in structure....

Factors for the existence of symbiosis b

What is the symbiosis of nodule bacteria and soybean? A concept or phenomenon that scientists use to scare manufacturers, causing a serious obstacle to...

Reproduction in the organic world

Chromosomes are cell structures that store and transmit hereditary information. A chromosome consists of DNA and protein. A complex of proteins associated with DNA...

Anatomy and functions of the central nervous system

Each cell, system and internal organ is a single whole to ensure the interaction and coordinated work of all organs...

Functions of nitrogen-fixing bacteria and their interaction with plants

Kirill Sysoev Calloused hands do not know boredom! The first soil bacteria that humanity noticed were nodule bacteria. From 13 thousand plants they form...

Structure, composition and properties of the cytoplasm

What is cytoplasm? What is its structure and composition? What functions does it do? In this article we will carefully answer all these questions. In addition, we...

Complete lessons – Knowledge Hypermarket

Cell structure The human body, like any other living organism, consists of cells. They play one of the main roles in our body. WITH...

Cell structure of various organisms

The cell is the basic structural and functional unit of all living organisms, except viruses. It has a specific structure, including many...

Rods and cones. Retinal cones. Structure of the retina - diagram

Vision is one of the ways to understand the world around us and navigate in space. Despite the fact that other senses are also very important,...