The Reproductive System

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The Reproductive System

• Review
• Asexual Reproduction
• Sexual Reproduction

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Asexual Reproduction
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Binary Fisson
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Budding
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Fragmentation
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Kingdom Protista?Reproduction
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Kingdom PlanteReproduction
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Kingdom Animalia Reproduction
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Human Reproduction
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Cloning
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The Endocrine System The Reproductive System

• The endocrine system is composed of glands that
  secrete hormones into the bloodstream.
• Maintains homeostasis
• Regulates reproduction and development

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What are Hormones?

• Chemical messengers produced by the cell that
  effects specific changes in other cells (target
  cells)
• May take a long time to take effect

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How do hormones travel through the body?

• Through the bloodstream

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Endocrine Glands vs. Exocrine Glands

• Exocrine glands secrete substances into tube-like
  structures
• Example
• Digestion System
• Saliva
• Remember from Digestion Video
• Milk from Breasts
• Stomach Acid
• Endocrine Glands secrete substances directly into
  extra-cellular space.
• Substance moves via diffusion

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Reproductive Glands

• Ovaries
• Estrogens
• Targets uterus
• Menstrual cycle, secondary sex characteristics
• Progesterone
• Targets uterus
• Regulates menstrual cycle, pregnancy
• Continued growth of uterine wall

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Reproductive Glands

• Testes
• Testosterone
• Targets testes
• Production of sperm
• Inhibin
• Inhibits release of FSH

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Hormonal Control of Labor