Digestive System

What is Digestive System? The series of processes that are followed after the intake of food by the mouth up till it is finally excreted is the whole mechanism of digestion and thus the system is known as the digestive system. This (digestive system) consists of the gastrointestinal tract (GI), pancreas, liver, and gallbladder. The […]

Respiratory System

What is the Respiratory System? The organs, tissues, and other parts of the body that contribute to the process of breathing are known as the respiratory system. Though breathing is said to be a quite simple process where there is the inhalation of the oxygen and exhalation of carbon dioxide. However, if we look at […]

Animal Tissues and Its Types

When the smallest unit of life i.e. cells are grouped together they form tissues. These groups are cells that are functionally and structurally similar and unite to perform specialized functions. Tissues are present in multicellular organisms, but not in unicellular, and even simple species of multicellular species like sponges, tissues are not well developed. But […]