Category Archives for "Biology"

Capillaries Structure and Types | A Definitive Guide

Structure of capillaries

The circulatory system is one of the most important organ systems of our body. It is essential for the transport of gases, nutrients, hormones, etc. within the body. It also important in the transportation of blood and lymph and regulation of body temperature. The circulatory system consists of a) Heart b) blood vessels. The blood […]

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12 Differences between spermatogenesis and oogenesis

Differences between spermatogenesis and oogenesis

As we have discussed the process of Spermatogenesis and Oogenesis in another article. Let us see here the differences between spermatogenesis and oogenesis. Based on the core facts like the of millions of sperms, single ova once a month phenomenon we have following differences. Differences between spermatogenesis and oogenesis Sl.No Feature Spermatogenesis Oogenesis 1 Occurs […]

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Spermatogenesis and Oogenesis | Key Processes and Stages Involved

A male gamete (sperm) fuses with a female gamete (ovum or egg) to produce a zygote that develops into an individual. But humans are diploid while gametes are haploid. So the cells undergo meiosis to produce haploid gametes. This process is called gametogenesis. In men, it occurs as spermatogenesis and in women, it occurs as […]

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Streptococcus vs Staphylococcus | 20 Key Differences

Streptococcus vs Staphylococcus

Streptococcus and Staphylococcus bacteria are widely found in humans and animals. They are non-motile, do not undergo spore formation and are even facultative anaerobes. But there are many differences between Streptococcus vs Staphylococcus bacteria as seen in the table below. Streptococcus vs Staphylococcus Sl.No Features Streptococcus Staphylococcus 1 Bacteria type Streptococcus is a Gram-positive bacteria, […]

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Difference between Light Microscope and Electron Microscope

Difference between Light Microscope and Electron Microscope light microscope

A microscope is a device used to observe minute objects invisible to the naked eye. It is one of the important discoveries which helped in the progression of science and medicine. This microscope is of two types like Light microscope (compound microscope) Electron microscope. Both are meant for magnification of minute objects but the resolution […]

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Earthworm Digestive System in Detail with Diagram


An earthworm Digestive System is quite similar to higher animals. It ingests food by the pumping action of its pharynx. The food is engulfed by the earthworm by rhythmic contractions of the pharyngeal wall, which further leads to the buccal chamber. The mouth has only one work which is to feed on its prey. The […]

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Composition of Blood and their Important Functions in Detail

Composition of Blood - Blood cells

Blood is the liquid connective tissue in the body. This blood is essential for life activities and has many components. Broadly it can be classified as a cellular fraction which makes 45 % and plasma which comprises 55%. Composition of Blood 1.Blood cells a) Red blood cells b) White blood cells c) Platelets or thrombocytes […]

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Difference between T cells and B cells in Table form

Difference between T cells and B cells

T lymphocytes and B lymphocytes are both white blood cells involved in the fight against infections in our bodies. They provide immunity and also help to prevent future infections. Difference between T cells and B cells in Table Sl.No Characteristics T Cells B Cells 1 Alternative names They are also called TLymphocytes. They are also […]

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Exotoxin Vs Endotoxin | 25 Differences, Types and Examples

Exotoxin Vs Endotoxin

Bacteria release substances that are harmful to the host. These are exotoxins and endotoxins. Exotoxins are toxic substances that are secreted by bacteria outside of their cell. While the endotoxins are toxins located within the cell membrane. Exotoxin Vs Endotoxin Sl.NO Characteristics Exotoxins Endotoxins 1 Source Produced from the live gram-positive and gram-negativebacteria. They are […]

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