concepts of zoology

INTRODUCTION Open pop-up dialog box Sickle cell anemia is one of a group of disorders known as sickle cell disease. Sickle cell anemia is an inherited red blood cell disorder in which there aren't enough healthy red blood cells to carry oxygen throughout your body. Normally, the flexible, round red blood cells move easily through blood vessels. In sickle cell anemia, the red blood cells are shaped like sickles or crescent moons. These rigid, sticky cells can get stuck in small blood vessels, which can slow or block blood flow and oxygen to parts of the body. There's no cure for most people with sickle cell anemia. But treatments can relieve pain and help prevent complications associated with the disea   Symptoms Signs and symptoms of sickle cell anemia usually appear around 5 months of age. They vary from person to person and change over time. Signs and symptoms can include: Anemia.  Sickle cells break apart easily and die, leaving you with too few red blood cells. Red bl...

  Introduction to Zoology Zoology is the branch of biology concerned with the study animals and animal kingdom. It is also known as animal biology. The study of zoology includes the interaction of animal kingdom in their ecosystems such as classification, habits, structure,  embryology, distribution, evolution, and extinct species. Zoology is the division of biology that deals with the animal kingdom. It is the scientific study related to the entire species of the  animal kingdom. An ancient Greek philosopher, Aristotle, was a first-person to broadly classify the living things in the 4th century BC. Firstly he divided living things into animals and plants and then continued with his further classifications. Later the words like biology, botany, and zoology came into existence. The study of zoology includes animals physiology,  their behavior, and their interaction with other species in their environment. It is a huge course that includes the distr...