420 likes | 577 Vues
2. Pregnancy. Events from fertilization to birthResults from union of sperm and eggSperm must swim from vagina upstream to meet secondary oocyte normally meet in fallopian tubesSperm must overcome:acidity of male urethra and female vaginamucus pluguterine contractions during orgasm. Fig. 28.
E N D
1. 1 TOPIC 13 Survey of Development Chapter 29 and others