Structure of the Heart

The heart in all animals is a muscular organ. In human, it is placed in the position of the thoracic cavity just behind the sternum and is slightly tilted to the left. Thus, the heart-beat is felt on the left side. It pumps blood throughout the blood vessels to various parts of the body by … Read more

Sinusitis : Causes, Symptoms and Treatments

The sinus infection is known as sinusitis. It is a major health problem which can cause inflammation of the sinus tissues. The people that have weak immune systems are at greater risk to sinusitis.Slimy substances are  produced from sinuses, called mucous that help to keep the nasal passage moist. It also helps to trap different … Read more

Cranial Nerves: Nature, Origin and Distribution, Functions

The nerves of the brain which directly emerge from or enter the skull or the cranium including the brainstem are called cranium nerves. They transmit or relay various information between the different parts of the body and the brain. The main functions include special senses of vision, smell, taste, and hearing. They come out from … Read more

Spermatogenesis Vs Oogenesis

Gametes are produced by the animals through meiosis cell division from diploid mother cells (gonads). There are two types of gonads such as testis in males and ovaries in females. The process of gamete production (ovum and sperm) is known as gemetogenesis (Gr. Gamos=marriage; genesis=origin).Testes produce male gametes or sperms through the process of spermatogenesis … Read more

Roles of Hormone in Human Body Growth

image of Growth hormone

There are many hormones in the human body. Among them growth hormone and the thyroid hormones play an important role in the growth of the body. Growth hormones are secreted from the hypophysis or pituitary gland, also known as master gland while the thyroid hormones are produced from the thyroid gland. Growth Hormones and its Role … Read more

Endocrine Glands: Hormones, Functions and Disorders

image of Endocrine glands

There are two types of glands in the body such as endocrine glands and exocrine glands. Endocrine glands are also known as ductless glands that constitute the endocrine system. The endocrine system forms network in the body and produce hormones directly into the blood stream. Endocrine glands perform various functions in the body. They influence … Read more