Bell Ringer #6 Page 162 Which of the two types of cellular division and growth represents the process of creating a human fetus, Mitosis or Meiosis? WHY?

Info for class this week Table of Contents is listed on board and will be updated daily If you are out all powerpoints, instructions and handouts will be listed on the class website. Penda due SUNDAYS Late penda will be accepted one week past the deadline for half credit. You do not have to complete a form or send an email to receive this credit.

Human Reproduction

Functions of Human Reproduction Survival of the species ​ Produce gametes​ (egg/sperm) Nurture offspring ​ Produce hormones ​

1. Sexual Reproduction Sexual Reproduction=sperm fertilizing egg Puberty: Cannot reproduce until after puberty Hormones: LH (luteinizing hormone), FSH (follicle-stimulating hormone)

2. Female Reproductive System Functions Produces eggs (ova) Provides place for baby to develop. Menstruates if fertilization doesn’t occur Produces estrogen

Estrogen Female (cont.) Hormone that causes: 1. female sex characteristics 2. Develops eggs 3. Keeps the reproductive cycle on track

5 major parts of the female reproductive system Female (cont.) 5 major parts of the female reproductive system Ovaries Fallopian tubes Uterus Cervix Vagina

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Ovaries Eggs are produced and mature. Produces Hormones http://www.ricancercouncil.org/img/cervical.gif

Fallopian Tubes Tunnel for egg to travel to uterus. Site of Fertilization Fertilized egg moves to uterus and attaches to wall= pregnancy

Home to a developing fetus. Uterus Hollow, muscular organ Home to a developing fetus.

Cervix Allows sperm to enter menstrual blood to exit Leads to the vagina.

Vagina Birth canal Canal that joins the cervix) to the outside of the body

http://biology.clc.uc.edu/graphics/bio105/repro%20female.jpg

3. Male Reproductive System Main Function: Produce sperm to be delivered to the FALLOPIAN TUBE, where an ova is fertilized

Male (cont.) Males produce sperm after puberty Testes (testicles) produce sperm Testosterone is the hormone for: Sperm production male sex characteristics

Male (cont.) Consists of: A pair of testes Scrotum A network of excretory ducts epididymis ejaculatory ducts vas deferens Seminal vesicles Prostate Urethra Penis

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Testes / testicles (Gonads) Produce sperm Spermatogenesis Produce testosterone

Regulates testes temperature. Scrotum – Regulates testes temperature.

Duct System: (3 parts) Epididymis Where sperm mature. Ejaculatory ducts empty into the urethra. Vas Deferens Transports mature sperm to the urethra.

Seminal vesicles Produce semen a sugar-rich fluid that provides energy to sperm. Attached to vas deferens

Prostate Gland Mix semen and sperm before entering the urethra.

Urethra Tube that carries urine from the bladder to outside of the body Also carries semen out of the body

Penis external organ, assists in the transfer of gametes to mate.

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