Question

list four delivery functions of the blood (list four things carried through the body by the blood

Answer 1

Blood is a connective tissues.

There are 4 main composition of blood

1. Plasma: it is the fluid part of the blood. It contains water, proteins, nutrients, etc. Blood plasma carry digested food like glucose,etc. to the other parts of the organs and tissues. They also carry waste products from organs to kidneys, liver, etc.

2. RBC : red blood corpuscles (RBC) also called erythrocytes carry O2 by a protein called hemoglobin from lungs to other parts of the body and CO2 from other parts of the body to the lungs. Erythrocytes doesnot have nucleus and mitochindria to maximise the function of hemoglobin.

3. WBC : white blood corpuscles (WBC) also called leukocytes are responsible for immune response for our body. WBC are of 5 types neutrophil, lymphocytes, eosinophils, monocytes and basophils.

4. Platelets : also called thrombocytes are responsible for blood clotting and release of clotting factor, thrombin.