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Sphygmomanometer - used to measure blood pressure

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Sphygmomanometer - used to measure blood pressure

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Blood donor and recipient

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A. Plasma - Pale yellow, clear and slightly alkaline fluid contains 90 - 92 % water, 6 - 8 %  proteins, 1 - 2 % inorganic salts and other components

B. Albumin - distributes water

C. Globulins - protection

D. Fibrinogen & prothrombin  - help in blood clotting

Inorganic ions - Ca, Na, K - control the function of muscles and nerves

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extremely small and disc shaped

2.5 to 4 lakh platelets are present per mm³ of blood

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large, nucleated and colorless

5 types of WBC's

basophils, eosinophils, neutrophils, monocytes and lumphocytes

produced in red bone marrow

act as soldiers in our body

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Small, circular, enucleated

Red in color due to hemoglobin

Dissolve oxygen due to hemoglobin

50 to 60 lakh RBCs in each cubic milimeter of blood

RBCs produced in red bone marrow and live for about 100 to 127 days

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Video

Rhythmic contraction and relaxation of the heart muscle are called heartbeats.

Normal heart beat 60 to 80 times in a minute.

Throbbing sensation is felt near the blood vessels which come to the surface (wrist, neck and inner arm) known as pulse.

Labelling game

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1. Arteries

2. Veins

3. Capillaries

Matching game

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Blood is made up of a straw - coloured fluid called plasma.

1. Red blood cells (red coloured pigment called Oxyhaemoglobin)

2. White blood cells

3. Blood platelets

Labeling game

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Respiratory System: Structure and Function

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Respiratory System: Structure and Function

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Video

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A. Inspiration / Inhalation
B. Expiration / Exhalation

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Quiz game

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Game link