Deoxyribo Nucleic Acid(DNA) Image credit DNA is a molecule in the form of a double helix as a part of the chromosome-forming components present in every living cell. Each piece of DNA thread is a source

source In humans, blood is a thick body fluid and red. Blood viscosity is estimated to be 4-5 times thicker than water so that blood flows slowly inside our blood vessels. Blood sounds pH 7.35-7.45 and

The Process of Forming Tears Crying is usually the main cause of tears. Not just crying because it feels sad, but even when happy someone may cry. Although there are also some other causes that cause us

What Are Extraembryonic Membranes? Extraembryonic membranes are membranous structures that appear parallel to the embryo and which play important roles in embryonic development. They form from the embryo

The excretory system is a passive biological system that removes excess, unnecessary materials from the body fluids of an organism, so as to help maintain internal chemical homeostasis and prevent damage

Bacteria are the most numerous organisms and are more widespread than other living things. Bacteria have hundreds of thousands of species that live on land to sea and in extreme places. Bacteria are beneficial

Elements, Compounds and Mixtures – An element is chemically the simplest substance and hence cannot be broken do using chemical reactions. A chemical element or element is a species of atoms having the