Fill in the Blanks Nat.Sc.6-Unit 03-Act.01Online version Complete this text about HUMAN SEXUAL REPRODUCTION by JOAQUIN MUNIOSGUREN PRIETO 1 age female system sex Changes Human reproduction puberty beings have sexual . This involves two people of different sexes . There are two reproductive systems , and male . Each produces different cells . These cells are involved in reproduction . The reproductive develops during . occur in our bodies that make reproduction possible . Puberty usually begins around the of 10 .