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Systems in Human body


The major systems of the human body are:

1. Cardiovascular System (Heart, Blood Vessels (Arteries, Capillaries, Veins).

2. Circulatory System (Heart, Blood, Vessels)

3. Digestive System (Mouth, Esophagus, Stomach, Small intestine, Large intestine)

4. Endocrine System (Hypothalamus, Pituitary, Thyroid, Parathyroids, Adrenals, Pineal body, Ovaries and Testes.)

5. Excretory System (Small and Large Intestines, Rectum, and Anus)

6. Immune System (Bone Marrow, Thymus, Gland, Spleen, Lymph Nodes)

7. Integumentary System (Skin, Hair, Nails, Sweat Glands)

8. Lymphatic System (Ducts and Lymph Nodes) [Palatine Tonsil, Thymus Gland]

9. Muscular System (Muscles (Smooth, Cardiac, and Skeletal Muscles.))

10. Nervous System (Brain, Spinal Cord, Nerves)

11. Reproductive System Male (Penis and Testes) Female ( Vagina, Uterus, Ovaries)

12. Respiratory System (Nose, Pharynx, Larynx, Trachea, Bronchi, Alveoli, Bronchioles Lungs.)

13. Skeletal System (Bones, Bone Marrow, Joints, Teeth, Ligaments, Cartilage)

14. Urinary System (Kidneys, Gallbladder, Ureter, Urethra)

15. Sensory System (Senses of sight, hearing, feeling, smelling, tasting, and balance)

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