Thalasemia is a hereditary blood disorder that results in the destruction of large number of_______cells in blood.

Ruptured blood cells are not trapped in

Fear or excitement generally cause one to breathe rapidly and it results in the decreases of concentration of CO_2 in blood. In what way it will change pH of blood :

underline("Down syndrome ") is an inherited blood disorder, in which the body makes an abnormal form of haemoglobin.

Blood cells retain their normal shapes in solutions which are :

Which protein is secreted from mast cells that cause the dilation of blood vessels ?

An abnormal increase in number of RBCs in blood is_____.

Read the following statements and select the correct option. Statement 1 : The exaggerated response of the immune system to certain antigens present in the environment is called as allergy. Statement 2 : The allergic tendency is genetically passed from the parent to the offspring and is characterised by the presence of large quantities of IgG antibodies in the blood.