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Skeletal System

The skeletal system provides definite shape and mechanical support to the body, and it also helps in movement and locomotion. Ask questions about the skeletal system and bones here.

14,490 Questions

Where is Rib 7 and rib 8 in the human body?

Rib 7 is located in the thoracic region of the spine, attaching to the thoracic vertebrae in the back and connecting to the sternum in the front. Rib 8 is located just below rib 7, attaching in a similar manner. Both ribs help protect the organs of the upper abdomen.

Some sources say there are 29 bones in the human skull but that number includes the ossicles and the hyoid Most sources agree on what other number?

Most sources agree that the adult human skull consists of 22 bones, excluding the ossicles and hyoid bone. These 22 bones are divided into the cranium, which protects the brain, and the facial bones, which support the face and provide attachment points for muscles.

To what special bone group does patella bone belong?

It is a sesamoid bone. This type develops in certain tendons where there is considerable friction, tension, and physical stress. Functionally, they protect tendons from excessive wear and tear, and they often change the direction of pull of a tendon, which improves the mechanical advantage of a joint.

Does the stenum has two layers of compact bone with a layer of spongy bone sandwiched in between?

Yes, the sternum contains two layers of compact bone with a layer of spongy bone sandwiched in between. This structure provides strength and support to the chest area, protecting vital organs such as the heart and lungs.

Three tiny bones called ossicles are nicknamed the hammer anvil and stirrup And they are indispensable To what?

The auditory ossicles are the three smallest bones in the human body. They're named incus, malleus, and stapes. They're nicknamed anvil, hammer, and stirrup, respectively, because of their shapes. They're indispensable to hearing. For they pass the soundwaves from the outer ear through the middle ear, where they're located, and into the inner ear.

What is the prefix for skull?

The OED has a listing for Skull. Check the link below. http://www.etymonline.com/index.php?term=skull

What mineral gives your bones and teeth hardness?

Mineral salts from calcium and phosphorus compounds are essential for making bones hard and strong. calcium is the most essential mineral to make bones strong but not all bones are as hard as you think some bones are "Spongy" but we just dont notice it. hope this helps if you need to know this....

What are the Bones in your head called?

The bones in your head are called the skull. The skull consists of several bones, including the cranium and the mandible (lower jawbone). The skull protects the brain and supports the structures of the face.

The most important minerals stored in bones are?

The most important minerals stored in bones are calcium and phosphorus. These minerals play a crucial role in maintaining bone density and strength. Additionally, other minerals like magnesium, fluoride, and potassium are also stored in bones to support various functions in the body.

When a bone is exposed will skin grow back over it?

well if you see bone, ...well... usually that cant be good. im sure it will, but to be 100% sure go see a doctor. you may have to get skin transplant to the area where the skin is mising. it also depends where the skin is missing. for example , the skin on ur knee cap will heal much faster than the skin missing on ur thigh or somewhere where the skin it thick. sencirly yours, some guy who tryed his best to answer your question

The femur is a type of bone found in the arm?

No. The femur's the thigh bone, in the upper part of the leg, above the knee. Between the shoulder and the elbow is the upper arm bone ka the humerus. Between the elbow and the wrist are the lower arm bones: the radius on the thumb side, and the ulna on the outer side.

Your baby has a soft spot near the front of his skull how long before it hardens?

  • The fontanelle or "soft spot" at the front of a baby's head is where 4 bones join in the skull. It is not fragile, but also not the spot you truly want to expose to the elements. It's soft and vulnerable as there is no bone between your baby's brain and the outside world. There is tough tissue there to take the place of a skull while it grows.
  • When a baby transitions from infant to toddler and starts walking, the fontanelle area allows for the bones to shift and absorb impact upon a fall.
  • You'll sometimes see the soft spot pulse a bit as you watch blood flow around your baby's brain and skull when they are calm and resting. It's normal!

Why is the knee jerk reflex exaggerated when clenching a book?

Clenching an unrelated muscle group whilst inducing a refllex causes activation of gamma motneurones which inervate intrafusal muscle fibers causing them to be more sensitive to strech. A hightened sensitivity this causes and increased reflex response.

What is another name for long bones?

Another name for long bones is tubular bones. These bones are longer than they are wide and are found in the arms and legs.

What does sacral mean?

"Sacral" typically refers to the area of the body corresponding to the sacrum, which is the triangular bone at the base of the spine. It can also relate to things associated with sacredness or the spiritual center.

What is the anatomical term for bones?

Anatomical directional terms and bodyplanes describe the locations of structures in relation to other structures or locations in the body.

What happens when not enough bone marrow is produced?

you're body cant cope with disease well or recovery from common illness'

because you have a deficiency of whiite blood sells - bone marrow.

and the treatment is a bone marrow transplant.

What bone is found in your knees and elbows?

A previous wiki answer from Gerry Sutton.

They are hinge joints. The elbow has only one plane of motion (flexion & extension); however, the knee is considered a "modified hinge" because it has the flexion & extension as well as a rotational (pivot) component as well

Read more: What_type_of_joint_is_found_in_the_knee_and_elbow

What is the Biggest bone in lower leg?

The femur is one of them.

The femur is in the upper leg as it is better known as the thigh bone. Next down is the patella or knee bone. The main ones in the lower leg are the tibia and fibula ( the shin bone and calf bone respectively ). The other bones are smaller and make up the ankle, foot, and toes.

What is the scientific name for finger and toe bones?

In the hands, the bones in the fingers are referred to as the Phalanx bones' and are arranged, from the base to the tip, as follows: Proximal phalanges, intermediate phalanges, and distal phalanges. The bones in the palm of the hand look very similar on a skeleton, but should not be confused with the phalanges; these are referred to as 'carpals'.

That bump on your wrist is the end of which bone?

The bump on your wrist is the end of the ulna bone. It is called the ulnar styloid process.

Is normal hearing conducted by air or bone?

Ultrasound can be perceived through bone conduction by the profoundly deaf as well as by normal-hearing subjects. Moreover, speech signals modulated onto ultrasound can be detected through bone conduction. This study explored how well listeners can understand ultrasonic speech and the confusion patterns to evaluate and improve bone-conducted ultrasonic hearing. The intelligibility of Japanese words classified by familiarity and Japanese monosyllables with bone-conducted ultrasound was investigated. Results showed that the intelligibility of familiar words was higher than that of unfamiliar words. Further, the results of a monosyllable intelligibility test with bone-conducted ultrasound and those of a test with air-conducted sound showed a similar pattern of speech recognition with regard to the errors made. The relationship between speech intelligibility and sound level showed that the increase in the intelligibility of bone-conducted ultrasonic speech did not exceed the increase in the intelligibility of air-conducted speech as the sound level rose.

How do you make a humerus bone?

A humerus bone is a long bone that is formed through a process called endochondral ossification. This process involves the transformation of a cartilaginous model into bone tissue through the deposition of minerals and the formation of bone cells. The humerus bone develops in the upper arm region of the body during embryonic and fetal development.

Nobody is sure how Felis silvestris catus makes this sound and we're not even sure why but we do know that the vibrations reduce stress in people and that they occur at a frequency that helps bones?

The sound produced by Felis silvestris catus is known as a purr, and it is believed to be a form of communication and a mechanism for self-soothing. The low frequency vibrations generated by purring have been found to have a calming effect on both cats and humans, potentially aiding in stress reduction and bone regeneration due to the frequencies stimulating healing processes.