The difficult journey of the sperm
14,336 المشاهدات
• 01/17/24
0
0
تضمين
samer kareem
8 مشتركين
The journey of egg and sperm. There are a lot of casualties (deaths) among the sperm as they swim toward the egg. First, many get lost in the maze of a woman's uterus where they also have to contend with acidic vaginal secretions.
أظهر المزيد
SORT BY-
أعلى تعليقات
-
أحدث تعليقات