cell is the basic unit of life and it is the smallest unit of life also
many cells combine to form tissue and tissue combine to form organs
atom is the smallest unit of matter everything is made up of small units called atoms
Answer:
The sperm immediately begin swimming and some will find their way into the cervix. The sperm then begin their long journey towards the egg. Leaving the cervix they enter the womb. Here, they swim towards the Fallopian tubes.