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Why the wrist bone is made of eight small cube shaped bones instead of being one large bone and what are their functions?
The tiny adjoining wrist bones, like those in the top of the foot, allow humans various ranges of movement. Flexion, extension, rotation, and aligned positions all rely on the joint's ability to move. Drop your hand down in flexion. Pull back in hyper-extension. We can use our hands to button a shift, or turn a doorknob (wrist rotation). We can extend our pinkie to the side, say to reach a letter on a keyboard while our thumbs can pull in the opposite direction. We can lift a cup as easily as we can hit a tennis ball.
Without the smaller bones, our wrist and foot would have the limited movement of, say the kneecap which isn't intended to allow side movement in the joint. In the foot and ankle (front), the small bones allow our feet to bend. If each toe bone met with one flat "foot bone", we would be unable to walk because to walk means we must flex the entire foot, placing the toes down first as the heel lifts, and then the heel comes down while the toes lift in preparation of the next step. The wrist operates with the same concept, but since we no longer walk on our hands (as apes do), we don't realize how much work the small bones to in order to allow us a large range of motion in the wrist.
What else can I help you with?
What bone is cube shaped?
The bones that are cube shaped are called short bones. Examples of short bones in the body would be tarsals and carpals.
Small U-shaped bone in the neck?
The small U-shaped bone in the neck is known as the hyoid bone. It is unique in that it does not directly articulate with any other bones in the body, but instead serves as a point of attachment for muscles associated with the tongue and larynx. The hyoid bone plays a crucial role in speech and swallowing functions.
What bones are rod shaped in the body?
The long bones in the body, such as the femur, humerus, and phalanges, are rod-shaped bones. These bones provide support and structure to the body and aid in movement.
What are the ring shaped bones that are parts of the spine?
The 33 ring-shaped bones of the spine are called the vertebrae.
What disease or problem encounter without the special functions of the bones?
what disease or problems we encounter without the special functions of the bones
The coordinated functions of muscles and bones?
10 coordinated function of muscles and bones
How long are bones adapted to their functions?
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What type of bone is the skull?
The skull is composed of the cranium and the facial bones. They are like all the other bones of the body, except they do not produce blood cells, like long bones and short bones.The cranial bones are flat bones such as the frontal, parietal, temporal, and occipital bones. The facial bones are considered irregular-shaped bones and consist of; sphenoidal, lacrimal, and a few others.
Producing blood cells and providing anchorage sites for muscles are two functions of?
bones
What are the functions of milk?
strong bones and healthy teeth
What body functions require fat?
stomach bones
Small flat odd shaped bones found between some of the large flat bones of the skull are called?
The small flat odd-shaped bones found between some of the large flat bones of the skull are called sutural (Wormian) bones. These bones vary in number and size among individuals and are formed from additional ossification centers. They are considered accessory bones of the skull.
