WELCOME

SREE NARAYANA TRAINING COLLEGE

SREEKANDESWARAM, POOCHACKAL

B.Ed 2014-15KERALA UNIVERSITY

SUBMITTED BY: ANOOP.K.PNATURAL SCIENCE

REG NO:1811438002

SUBMITTED TO : Mrs.SOYA.P FACULTY OF NATURAL SCIENCE SNTC,SREEKANDESWARAM

COMPONENTS OF BLOOD

EDU 10 : TECHNO-PEDAGOGIC CONTENT ANALYSIS – NATURAL SCIENCE

BLOOD

Standard :9

blood

Blood is a body fluid in humans and other animals that delivers necessary nutrients

and oxygen to cells and transport metabolic waste away from those same cells

Functions of blood• Transports:– Dissolved gases (e.g. oxygen, carbon dioxide)– Waste products of metabolism (e.g. water, urea)– Hormones– Enzymes– Nutrients (such as glucose, amino acids, vitamins &minerals, fatty

acids, glycerol)– Plasma proteins (associated with defence, such as blood-clotting and

anti-bodies)– white blood cells 'leucocytes‘- phagocytises &immunity

• Maintains Body Temperature• Controls pH• Removes toxins from the body• Regulation of Body Fluid Electrolytes

Composition of blood

plasma Formed elements

Blood corpuscles

RBC

platelets

A granulocytesGranulocytes

WBC

Neutrophil basophil eosinophi

l monocytelymphocyte

BLOOD

COMPOSITION OF BLOOD

Plasma 55% of blood

Plasma

• Water organic compounds in organic compounds90-92% water salts and ions of sodium Pottassium and calcium

Plasma proteins• Albumin• Globulin• Fibrinogen

Amino acids EnzymesHormonsGlucose Vitaminsurea

RBCRBC

• Erythro cytes• Non nucliated• Biconcave disk shape• Carry oxygen from the lungs to the

tissuesandCo2 from the tissue to the lungs

WBC

• Also known as leucocytes• Number is much lesser than RBC• Amoeboid nucleated cells• Provide immunity• Helps in phagocytosis

WBC

PLATELETS• Also known as thrombocytes• Colourless flat granular cells• Smaller than RBC• Life span is 7 days• Helps in blood coagulation

Thank you