Human reproductive system

• Human reproductive system


  Genital system
• Non-living substance such as fluids hormones and pheromones are important accessories
• Process of creating new individual of the same kind

  Start with formation of sex cells


  Reproduction
• The gamete of male is sperm and egg for female
• Matured egg


  Ovum
• Zygote


  Unicellular cell
• Human development is where gametes fuse via fertilization
• Process of producing sperm

  Ejaculation
• Ejaculation

  testes

  vas deferens

  Prostate

  urethra
• Embryo forms and develops an eventually give rise to a mature organism

  Embryo genesis
• Cleavage is rapid series of mitotic cell division
• 1. Atom
  2. organelles
  3. cell
  4. tissues
  5. organ
  6. organ system
  7. organism
  8. population

  Level of organization
• More than 100 cells are present in the embryo

  Blastocyst
• First process of human development

  Reproduction
• Second process of human development

  Gastrulation
• Where does gastrulation occur

  Meso
• Inner surface of embryo

  Endoderm
• Mesoderm is the middle layer and responsible for the formation of different organs
• Integumentary is responsible for formation of lymphatic system
• Phases of menstrual cycle

  Menstruation

  follicular phase

  ovulation

  luteal phase
• Menarche is the first period
• Cramps is contraction between uterine and abdominal muscle during what phase


  Menstruation
• 28 to 29 days


  Menstrual cycle
• Follicular phase begins on the first day up to 13 days
• During the follicular phase the pituitary gland secretes two hormones
• During the follicular phase the egg matured into ovum
• The ovulation happens on day 14
• Ovum is released from the ovary

  Ovulation
• Secret a luteinizing hormone and follicle stimulating hormone

  Ovulation
• Luteal phase

  travels into fallopian tube for 24 hours towards uterus  

  15 to 28 days
• Once estrogen is released menstruation will repeat
• The ovary produce antigen abnormally is called polycystic ovary syndrome
• Birth pill


  Contraception to prevent pregnancy
• Spermicide


  Spermicide component of pills that kill sperm
• Two types of sexually transmitted diseases are hiv and aids
• Types of contraception

  Oral contraceptives

  barrier methods

  chemical barriers

  surgical method
• Three types of barrier method

  Condom diaphragm cervical cap
• Two surgical ethod

  Vasectomy and tubal ligation