The wall of human heart is made of
'Heart of heart' is called
Which of the following process requires energy?
During transpiration there is loss of
Water which is absorbed by roots is transported to aerial parts of the plant
through
Which one of the following regarding blood composition is correct
A patient with blood group O was injured in an accident and has lost blood. Which
blood group the doctor should effectively use for transfusion in this condition?
Active transport involves
Root hairs are
Which is the sequence of correct blood flow