Skeletal System

the "hip bones", or illium of pelvis, are connected to the pelvis.

A joint is a place where bones meet, and often articulate or move. The bones that connect at those joints could be fractured at the joint, so you'd have for example, a fractured ankle.

The connecting tissues within joints could be torn or separated, but these aren't bones.

The rib cage is made of bone with intercostal muscles allowing them to expand and contract when breathing.

It is called manipulation and done under a general anaesthetic. If unsuccessful, open reduction and fixation is carried out with plate and screws depending upon the fracture site

The red blood cells are produced in the red bone marrow in the center of the bone.
Marrow.
Red blood cells, or erythrocytes, are made in the bone marrow as are white blood cells or leukocytes and they originate from stem cells. The marrow is located in the length of the long bones until we get older, then it will diminish with age. As we age the marrow is predominantly in the sternum or breastbone, the iliac crest or the hip bone of the pelvis, and in the vertebrae of the spine. The ends of the long bones or epiphysises are solid bone covered with cartilage for the strength needed for the movable joints.
marrow

because they are to hard for our stomach to digest.

The most obvious signs are extreme and immediate pain in your back, numbness or the feeling of portions of your body being "asleep" and often the inability to move.

Not really. The nails are more of a compact layered skin structure. Cartilage is more for cushioning and lubrication between bones. Some areas do have a rigid structure of cartilage, but it's softer than nail tissue.

hystoid

The lambdoid suture articulates with the parietal and occipital bone of the skull. Joint is another name for suture when talking about 2 bones connecting in skull.

immovable joints

Hello,

When a human grows, their bones will grow together and combine, that's why you won't have the same number of bones as an adult.

The nasal bone is associated with wearing glasses because it holds the glasses in place.

There are no soft bones, just incompletely ossified joints such as the fontanels of the skull and the growth plates of the long bones.

Yes, skull size varies among human beings due to factors such as genetics, ethnicity, and environmental influences. Generally, there are observable differences in skull size and shape across different populations. While these variations can correlate with certain traits, such as brain size and cognitive abilities, they do not determine intelligence or capability. Overall, human skull variation reflects the diverse range of human anatomy.

bone marrow

it is simply the femur

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No. The sternum is superior to the descending colon.

So the bones and muscles have a wider range of movement without restriction

a marrow

Humans have one bone in their buttocks. It is one (ischium) of three that fuse to make that make the hip bone. The ischium is sometimes called the sit down bone.
Each hip bone consists of 3 sections, ilium, ischium, and pubis.
During childhood, these sections are separate bones, joined by cartilage. During puberty, they fuse together to form a single bone.

The tibiofemoral joint is also known as the knee. It is a joint that is made up of three articulating bones; the femur, tibia, and patella. It is classified as a modified hinge joint in that it functions as a hinge and a gliding joint. It is the second most complex joint in the body. The most complex is the TMJ, or temporomandibular joint which is the jaw.

Well I learned in Biomedical that the Immune system fights off infection on your pecker.

Simple Fracture.