ORGAN SYSTEMS HUMANS

• ORGAN SYSTEM

  A) Digestive

  B) Circulatory

  C) Respiratory

  D) Immune and Lymphatic

  E) Excretory

  F) Endocrine

  
• ORGAN SYSTEM

  A) Reproductive

  B) Nervous

  C) Integumentary

  D) Skeletal

  E) Muscular

  
• Testosterone


  Derived from the cholesterol of testes
• Estrogen and Progesterone


  Derived from the cholesterol of ovaries
• Proteins

  Building blocks of life which contain ammino acids
• Myosin and Actin


  Responsible for the muscle cell contractiomn
• Collagen


  Most abundant protein in the human body and is the substance that holds the whole body together
• Essential Amino Acids


  cannot be made by the body. As a result, they must come from food.
• Non-essential Amino Acids


  Amino acids that can be made by human and so it not essential to the human diet
• Conditional Amino Acids


  Usually not essential, except in times of illness and stress