Main Organ System in Human |
- The endocrine gland that secretes hormones
- Main function: coordinates body activities with the nervous system
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- Trachea, nose, lungs and diaphragm
- Main function: exchange of oxygen and carbon dioxide gases between the body and external environment
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- Skeletal muscles, smooth muscles and cardiac muscles
- Main function: contracts and relaxes to produce movements in different parts of the body
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- Spleen, lymph nodes and lymph vessels
- Main function: maintains balance of bodily fluids and prevents infectious diseases
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- Testes, prostate gland and penis
- Main function: produces sperm and male sex hormone
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Female Reproductive System |
- Ovary, uterus, Fallopian tube, vagina and cervix
- Main function: produces ovum and female sex hormones
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- Brain, spinal cord and peripheral nerves
- Main function: detects and sends information in the body, as well as coordinates body activities
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- Heart, artery, vein and blood capillary
- Main function: transports nutrients, respiratory gases and waste products
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- Mouth, oesophagus, stomach, liver, pancreas, small intestine and large intestine
- Main function: digests food into a simpler form for easy absorption
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- Kidney, ureter, urethra and bladder
- Main function: eliminates waste products such as urea and uric acid from the body
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- Bone, cartilage, ligament and tendon
- Main function: supports the body, protects the internal organs and provides a base for muscle adhesion
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- Skin
- Main function: protects the body from physical injury, infection and dehydration
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