Question

142. Read the following statements and identify the right one...
1) A healthy person has 12 to 16 gr of Hb for 100 ml of blood
2) the number of platelets are 1.5 lac to 3.5 lac/mm3 of blood
3) Eosinophils are involved in allergic reactions
a) only 2 is correct
b) Only 2 & 3 are correct
c) Only 1 & 3 are correct
d) 1, 2 & 3 are correct​

Answer 1

Answer:

all 3 are correct 4 option is correct