Mammary gland Mammary glands are the part of the female body designed for the making milk for baby mammals to drink. In humans they are in the breasts. In cows and goats they are called udders. Human reproductive systemFemale anatomyFemale reproductive system – Breasts – Cervix – Clitoris – Clitoral hood – Fallopian tubes – Bartholin's glands – Gräfenberg spot (G-spot) – Hymen – Labia – Ovaries – Skene's glands – Urethra – Uterus – Vagina – VulvaFemale physiologyMenstruation – Pregnancy – Childbirth – Lactation – Estrogen – Orgasm – OvumMale anatomyMale reproductive system – Bulbourethral glands – Corpus cavernosum – Ejaculatory ducts – Epididymis – Foreskin – Frenulum – Glans penis – Penis – Prostate – Rete testis – Scrotum – Seminal vesicles – Seminiferous tubules – Sertoli cell – Spermatic cord – Testicles (testes) – Urethra – Vasa deferentiaMale physiologyEjaculation – Erection – Orgasm – Semen – Sperm – TestosteroneAnatomy is the study of the parts of the body • Physiology is the study of how the body works This short article about biology can be made longer. You can help Wikipedia by adding to it.