zoology

Definition The pericardium is the covering of the heart. It is a fibro-serous (composed of fibrous tissue and serous membrane) sac surrounding the heart and […]

Introduction The digestive system in frog is a complex network of organs and glands. They help in ingestion, digestion, absorption, assimilation, and egestion. Frogs are […]

Introduction Veins are a type of blood vessels in the body that carry blood. It is elastic and muscular in nature. Veins collect blood from […]

Capillaries burts how it happens? Capillaries burst on the face is a bruise caused by injury to the skin. Capillaries(small blood vessels) are present beneath […]

Capillaries Introduction Capillaries are the smallest and the most numerous of the blood vessels. They connect arteries and veins. The primary function is to exchange […]

Earthworm circulatory system: A Quick Look Earthworm circulatory system is closed type. Blood is composed of plasma and blood corpuscles. Haemoglobin is dissolved in plasma. […]

Introduction  Cells can reproduce from new cells. Continuity of life depends on cell division. In unicellular organisms, cell division is the means of reproduction. Multicellular […]

Radial symmetry is a type of body symmetry in different regions and directions of the body. It is found in both natural objects and organisms […]