What is a human leg?

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asked Jan 16 in Science by DJfergusonia (1,490 points)
What is a human leg?

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answered Jan 16 by XHnuts888 (3,860 points)
A human leg is a limb and the lower limb of the human body.

The lower leg is comprised of two bones, the tibia and the smaller fibula.

The thigh bone, or femur, is the large upper leg bone that connects the lower leg bones (knee joint) to the pelvic bone (hip joint).

The hands and feet are called extremities.

An extremity is a limb or appendage of the body, particularly the hands and feet.

The noun extremity also means the outermost point or part — the one that's farthest away.

The scientific name for hand is Manus.

A finger is considered a limb of the body.

The human finger is a limb of the human body and also a type of digit, an organ of manipulation and sensation found in the hands of most of the Tetrapods, so also with humans and other primates.

The first digit is the thumb, followed by index finger, middle finger, ring finger, and little finger or pinkie.

According to different definitions, the thumb can be called a finger, or not.

The human hand usually has five digits: four fingers plus one thumb; these are often referred to collectively as five fingers, however, whereby the thumb is included as one of the fingers.

A limb (from the Old English lim), or extremity, is a jointed, or prehensile (as octopus arms or new world monkey tails), appendage of the human or other animal body.

 In the human body, the upper and lower limbs are commonly called the arms and the legs, respectively.

Arms and legs are connected to torso or trunk.

The most important purpose a human limb serve’s is locomotion.

Thpigh locomotion seems like an easy task, it's a very important function to our human body.

Apart from locomotion, limbs also helps us have upper hand in predator prey situation for both defense and attack.

Many animals use limbs for locomotion, such as walking, running, or climbing.

Some animals can use their front limbs (or upper limbs in humans) to carry and manipulate objects.

Some animals can also use hind limbs for manipulation.

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