Google would have the best answer choice for this question. sorry i couldnt help you.
Hemoglobin in the baby is less than the normal. Nursing should includes the information such as avoid cow milk as it does not contain iron. Fortified milk with iron, solid food with iron fortified baby cereal mixed with breast milk should be given to the baby to increase the hemoglobin level to normal.
Answer:
Imagine studying a cell. That cell has billions of things you can learn about. Now imagine 37.2 trillion cells each a little bit different but still similar. Now imagine that multiplied by all the different people there are on earth. Now then include all the other types of living animals.
That's biology