Human Anatomy
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Important Facts about Human Anatomy
Human Anatomy - Facts to remember
| Longest bone in human body | Femur (thigh bone) |
| Smallest bone | Stapes in the middle ear |
| Hardest material in the human body | Tooth enamel |
| Strongest muscle | Jaw muscle |
| Largest muscle | gluteus maximus (buttock muscle) |
| Largest external organ | Skin |
| Largest internal organ | Liver |
| Smallest gland | Pineal |
| Largest artery | Aorta |
| Smallest blood vessel | Capillary |
| Element most common in human body | Oxygen (65%) |
| Mineral most common in human body | Calcium |
| Compound most common in human body | Water |
| Pigment which gives a dark colour to the skin | Melanin |
| Nails are modification of | Epidermis (external layer of skin) |
| Muscles are attached to bones by connective tissues called | Tendons |
| Bones are attached to bones by | Ligaments |
| The volume of blood in an adult is | 4.7 to 5 litres |
| The total number of bones in human body is | 206 |
| The most common type of blood group is | Type O+ |
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