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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

How long do human bones last in the sea?

This depends greatly on placement of the bones.

The salt water by itself will not dissolve the bone, so if the bone is deep enough where there is little water movement or it becomes covered in silt and protected on the bottom of the ocean it can last for thousands, sometimes millions of years in the right conditions.

However, if the bone is left exposed to ocean currents it can be slowly worn away and returned to dust in much the same process that reduces rocks to sand. Depending on the level of exposure this process can take any number of years.

It is important to note that the decay rate out of the ocean is typically much faster due to the presence of microbes which cause decay and predatory animals that are more accustomed to feeding on bone.

Does bone cancer commonly start in the bone?

Actually, the opposite is true. Approximately 80% of bone cancers are secondary, such as metastasis from primary tumors in soft tissue. Only about 20% of bone cancers actually start in the bone and then metastasize to soft tissues and other locations.

How are emus bones diffrent from a seagull bones?

Well, darling, emus are big birds with strong, weight-bearing bones to support their hefty bodies, while seagulls are more lightweight and have hollow bones to help them stay afloat. So, in a nutshell, emus have sturdier bones for strutting around the outback, while seagulls have lighter bones for soaring gracefully over the ocean. Hope that clears things up for you, sugar!

How thick is a ram's skull?

A ram's skull is typically around 0.4 inches (10mm) thick in the frontal bone region. The thickness can vary slightly depending on the age, breed, and individual characteristics of the ram. The skull thickness is important for protection of the brain and sensory organs, as well as for providing structural support for the attachment of muscles and horns.

What are the 9 regions of the abdomen?

Hi :)

The nine regions of the abdomen are as follows!

(Imagine someone is facing you - this is where it would be on their body!);

1.Right hypochondriac region 2.Hypogastric region 3.Left Hypochondriac region

4.Right lumbar region 5. Umbilical Region. 6.Left lumbar region

7.Right Iliac fossa 8.Epigastric region 9.Left Iliac fossa

Hope this helps?! x

What is subluxation of the cuboid bone?

A subluxation of the cuboid bone refers to a partial dislocation of the cuboid bone in the foot. This condition typically occurs due to trauma or overuse, leading to misalignment of the bone within the joint. Symptoms may include pain, swelling, and difficulty bearing weight on the affected foot. Treatment usually involves manual manipulation to realign the bone, along with rest, ice, and physical therapy to promote healing and restore function.

Do osteoblasts form from mesenchymal cells?

Well, honey, you're not too far off the mark. Osteoblasts do indeed arise from mesenchymal stem cells. These mesenchymal cells have the magical ability to differentiate into various cell types, including our bone-building buddies, the osteoblasts. So, cheers to your almost-correct assumption!

What is the medical term meaning abnormal condition of a hump in the spine?

There are a number of possible answers, including kyphosis, scoliosis, flattening of the lordosis
Scoliosis
Scoliosis
Scoliosis.
Scoliosis
scoliosis

What is the name for the place where two bones meet?

The name for the place where two bones meet is called a joint. Joints are essential for allowing movement and flexibility in the body. There are different types of joints, including hinge joints (like the elbow) and ball-and-socket joints (like the hip).

How many Total bones in catfish?

Oh, dude, you're really concerned about catfish bones, huh? Well, technically, catfish have around 1,500 bones in their bodies. That's a lot of bones to watch out for when you're trying to enjoy a nice fish dinner. Just be careful not to choke on any of those tiny bones, unless you're into that kind of thrill.

Hydroxyapatite consists largely of what?

Hydroxyapatite consists largely of calcium and phosphate ions, forming a crystal structure that gives strength and rigidity to bones and teeth. So, in simpler terms, it's basically the stuff that makes your skeleton sturdy and your smile bright. Just remember, too much of a good thing can lead to some serious dental issues, so brush those pearly whites!

How many ribs does a deer have?

13 ribs because they have 13 thoracic vertebrae

What tissue found in bones makes blood cells?

The tissue found in bones that makes blood cells is called bone marrow. There are two types of bone marrow: red marrow, which is responsible for producing red blood cells, white blood cells, and platelets, and yellow marrow, which is primarily composed of fat cells. Hematopoiesis, the process of blood cell formation, occurs within the bone marrow through the differentiation of hematopoietic stem cells.

Why a large bone can be strong but light?

Bone has two parts: a hard and strong outer shell composed of mainly calcium and other hard minerals, while the inside of the bone contains marrow, which is quite porous, and therefore light. In a sense, it's almost like bones are hollow, which is why they are light.

How many bones do a crow have?

A crow has approximately 190-200 bones in its body, which is similar to the number of bones in most other birds. These bones are lightweight and hollow to aid in flight, and they are arranged in a way that provides strength and flexibility. The skeletal structure of a crow is well-adapted for its flying and perching abilities.

If you have 206 bones and 22 skull bones what percentage of human bones are skull bones?

The human skeleton has 206 bones and the human skull has 22 bones.

The percentage will be:

22/206*100=10.67961165%

OR

it can be:

30/206*100= 15%

(depending on the amount of human skull bones)

Why are bone considered a living tissue?

Bones are only alive as part of a living organism. The bone marrow (inside of the bone) creates white and red blood cells constantly. Red Bone Marrow creates red blood cells while Yellow Bone Marrow creates white blood cells.

How many bones does a 12 year old child have?

there are 206 bones
The adult human skeleton has 206 bones - however - at age 12 some bones (like those of the coccyx) may not have fused yet.

The bone that run down your back?

The bone that runs down your back is the spine. The spine is made up of individual bones called vertebrae, which protect the spinal cord and provide structural support to the body. It plays a crucial role in connecting the brain to the rest of the body and allows for movement and flexibility.

How many bones does sparrow have?

A sparrow typically has around 100-110 bones in its body, varying slightly depending on the species. These bones include the skull, vertebrae, ribs, and limb bones. The lightweight and hollow nature of bird bones allows for efficient flight.

Do bones have MRS GREN?

Bones do not have all of 'MRS GREN' but have most of them.

Bones have movement, nutrition, sensitivity, growth and respiration.
it doesn't contain all the mrs gren

Carrie 14 years old broke four bones in her left foot and two ribs when she fell off a scaffold how many bones in her body remained unbroken?

Well, honey, Carrie has 206 bones in her body, so if she broke four in her foot and two ribs, that leaves her with 200 unbroken bones. Looks like she's still got plenty left to spare, bless her heart.