Leucocytes/ white blood cells

Posse a nucleus

Fewer in number

Longer in size - 8 to 15 micrometers

Normal counts - 6000 to 11000

Two main varieties

Granular/ Poly nuclear

Neutrophils -70%

Eosinophils - 4%

Basophils -1%

Non granular/mono nuclear

Lymphocytes -23%

Monocytes - 2%

Provide the body with a defend against invading infections

Read More

Erythrocytes /Red blood cells

No nucleus

7 micro meters in diameter

Formed in red bone marrow

Give the blood its colour

Contains a pigment called ”Haemoglobin”

Normal counts    Women - 4.5 × 10¹² l ^-1

                           Men    - 5 × 10¹² l ^-1

Read More

Cellular Contents of blood

Erythrocytes/Red blood cells

Leukocytes/white blood cells

Thrombocytes/platelets

Read More

Plasma

Composed of,

Water  90% - 92%

Plasma proteins 60-80g  - Globulin

                                            Albumin

                                            Fibrinogen

                                            Protrombin

Mineral salts - inorganic salts, sodium ion, chloride, Sodium bi carbonate, K⁺, Ca²⁺,Mg²⁺

Nutrient material -   Amino acids

                               Fatty acids

                               Vitamins

Organic  waste product - Urea, Uric acid,

Hormones - Thyroxine

                     Insulin

Enzymes

Gasses - 0₂,C0₂

Drugs

Read More