Introduction All species, whether they have one cell or many, engage in diverse metabolic processes. The body produces harmful chemicals as a result of these processes. To prevent excessive accumulation of these waste products in the body, they must be excreted. The excretory system of the body performs the function of eliminating waste. Different species […]
Introduction Mammals, fish, amphibians, birds, and reptiles are among the five classes into which animals are divided. Each one of them needs the environment to survive, including air, food, water, and shelter. The only vertebrates that live part of their lives in water and part on land are amphibians. As a result, they differ from […]
Introduction Apiculture is the practice of culturing honey bees on a bigger scale to yield beeswax and honey. It is a scientific approach to rear the bees in man-made hives, raising their numbers and caring for them. Beekeepers or apiarists are those who practice apiculture. Man-made beehives are artificial bee hives. These are made of […]
Introduction The word ‘amnio’ (Greek in origin) means inner membrane around the foetus and ‘centesis’ means to prick i.e. amniocentesis refers to the procedure of obtaining amniotic fluid by making a tiny puncture in the inner membrane surrounding the foetus. It is a prenatal test which is carried out before or during pregnancy. Amniocentesis is […]
Introduction The thin layer of air or gases that surrounds the earth is known as the atmosphere. The earth’s life depends on air, which is a fundamental component of nature. One of the most important worldwide issues is the contamination of the air. The air we breathe is contaminated with dangerous chemicals, biological agents, or […]
Introduction Human Anatomy is the discipline of science that focuses on the structural composition of humans. It is a Greek word wherein “ana” is (up) and “tome” is (cutting). Anatomy is the study of how the human body is arranged and made up of cells, tissues, organs, and organ systems. Human physiology is a branch […]
Introduction Animals have sophisticated nervous systems. It is a vital system that controls all of our body’s voluntary and involuntary movements. The nervous system controls all complicated functions, including reading, remembering, feeling emotions, and logical thought. The brain, spinal cord, and nerve network are all parts of the nervous system. Together, these organs carry out […]
Introduction The smallest structural and functional units in all living things are cells. Together, several cells make up tissues. Plants and animals both have eukaryotic cells and hence all cells contain many membrane cell organelles such as the nucleus, nuclear membrane, endoplasmic reticulum, etc. Organs are made up of tissues that perform the same functions. […]
Introduction Animals come in a variety of shapes and sizes. Members of this kingdom are Multicellular, eukaryotic animals that have a heterotrophic mode of nutrition and their cells are devoid of cell walls. They are typically motile that move from one place to another. Animals come in a variety of shapes and sizes. Classification of […]