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Category Archives for "Biology"

Cell Signaling | 5 Types with Suitable Examples

cell signalling

Cell signaling is a method of communication of one cell with other cells. This is done by following methods like Contact dependent cell signaling Paracrine signaling Autocrine signaling Endocrine signaling Synaptic signaling. Cells need to contact with other cells for normal physiology of the body. Sometimes they signal the nearby cells, and other times they […]

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Reproduction in Plants | Their Types and Characters

Reproduction in Plants

Before we talk about Reproduction in Plants, it is important to understand its purpose. Every living organism has a fixed lifespan and dies one day. For the maintenance of the population of a particular organism, new organisms of that species must be produced. Thus reproduction is the process of production of new individuals from their […]

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PLANT KINGDOM CLASSIFICATION | 5 Major Divisions in Plant Biology

PLANT KINGDOM CLASSIFICATION

In this tutorial, we will learn about the Plant Kingdom Classification which is one of the major topics in Plant Biology. All living organisms are classified into five broad kingdoms – Monera, Protista, Fungi, Animalia and Plantae. PLANT KINGDOM CLASSIFICATION Previously many members of Fungi, Monera and Protista which had cell walls were classified under […]

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Animal Kingdom Facts in Brief and Interesting Points

If we look around, we can see a wide variety of living organisms.   In earlier times it was quite cumbersome to remember all the characteristics of each organism separately. Thus all the organisms were classified into groups and subgroups depending on common anatomical and morphological characteristics, phylogenetic relationships, reproductive systems, etc. All living organisms […]

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Sympathetic vs parasympathetic System Difference

Sympathetic Vs Parasympathetic

Nervous System in human is broadly classified intothree board categoriesa) The Central Nervous System comprising of the brain and spinalcordb) The Autonomic Nervous Systemc) The Peripheral Nervous SystemHere, we discuss the Autonomic Nervous SystemAutonomic Nervous System controls the action of the organs at thesubconscious level. It is the part of system not under voluntary control.This […]

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Liver Anatomy, Histology and Functions in Detail

The liver is the largest gland of a human body. It is located inside the abdomen, on the right upper quadrant. An adult healthy liver weighs about 1300gm in females to 1600gm in males. Being highly vascular, it is reddish-brown in color. Location: Liver is located in the upper quadrant of the right hypochondrium of […]

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Human bone structure and Histology with Classification

Bone is a specialized and constantly changing connective tissue, having general characteristics of connective tissues like Composed of cells Have dense intercellular substance impregnated with calcium phosphates, carbonates, etc. Have well-developed circulation. Classification of Bones: Bones are classified on the basis of various characteristics. They are A. According to position: Axial bones: They form the […]

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Structure of kidney, Nephron and its Functions

Structure of kidney

The kidney is the primary organ of excretion found in the upper chordates. It is an abdominal organ, situated just anterior to the posterior abdominal wall. Being two in number, they are located one on each side of the vertebral column. It is a retroperitoneal organ, i.e., it has no peritoneal covering, peritoneum gets reflected […]

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Eye Anatomy and Physiology a Complete Detail

Eye Anatomy

An eye is the sensory organ of vision. It perceives the light energy, converts it into electrical energy, thereby helping us to ‘’see‘’. Eye Anatomy and Physiology Eyes are spheroid shape organs fitted into the two orbitals of the skull. There are three major parts in each eye like The sclera (fibrous layer) Choroid layer […]

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