Best way to learn structure and function of platelets

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Platelets Platelets, also called thrombocytes and they are also lack of hemoglobin . What is platelets in blood ? Platelets are membrane- bound cell fragments . It have no nucleus and absent hemoglobin ,they are between one or two micrometres in diameter and about 1/10th to 1/20th as abundant as white blood cells. Less than 1% … Read more

Best way to learn white blood cells with tricks

White blood cells

White blood cells are different from red blood cells in  the fact that they are usually larger in size 10-14 micrometres in diameter. White blood cells do not contain hemoglobin which in turn makes them translucent . Many times in diagram or pictures white blood cells are represented in a blue colour, mainly because blue … Read more

Blood Plasma| Definition, components and functions

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Blood plasma What is Blood plasma ? Blood consists of watery fluid which is  called plasma . It contains salts , enzymes and proteins. And it has antibodies that helps to  fight infection . Plasma is larger portion in blood ; nearly 55% . Even through blood appears red  when you see it outside the body but … Read more

Alveoli | Shape ,Types, Functions and Diseases

Alveoli Alveoli are an vital part of the respiration system whose function it’s  to exchange oxygen and carbon dioxide molecules to and from the bloodstream. Those tiny, balloon-shaped air sacs sit down at the end of the respiration tree and are arranged in clusters for the duration of the lungs.           … Read more

Physiology of digestive system

Physiology of digestive system is ultilized of food involves several processes , viz., Ingestion , digestion , absorption , assimilation , and egestion . Physiology of digestive system Ingestion Ingestion means taking food into the oral cavity through the mouth.  Both solid and liquid material are taken by human.Hands are used for this purpose by … Read more

Digestive glands in human body

Digestive glands in human body

Digestive glands in human body include salivary glands, gastric glands, liver, pancreas and intestinal glands.   Digestive glands  1. Salivary gland  There are three pairs of salivary glands: -parotid, sublingual and submaxillary or submandibular  (a) Parotid gland   These are the largest salivary glands.  They lie on the sides of the face, just below and in … Read more

Human digestive system

Human digestive system

☆  What is Human Digestive system ?  Human digestive system involves mechanical as well as chemical changes in the food taken. It involves breaking down of the complex organic food materials such as carbohydrates, proteins,lipids, nucleic acids, into simpler , smaller , soluble molecules.              ☆ Mechanical changes  involves breaking food into smaller … Read more