Can somebody help me please

Four types of motile cells in human body?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino