Skeletal System

The four basic parts of a bone are the spongy bone, Compact bone, Marrow, and the periosteum. The periosteum contains blood vessels that supply nutrients to the bone and the nerves. the compact bone provides support and is made up of living bone cells, minerals, protein fibers, blood vessels, and nerves. The spongy bone is a connective tissue that make bones both light and strong. The bone marrow which can be yellow or red and is made mostly of fat that store energy, and is located in the middle of long bones.

Ligaments connect bone to bone. Tendons connect tissue to bone.

osteoporosis

I think it have 16 bones becauses of it hands and feet and the head and the bottem of it somach have bone to gard it.

The shoulder girdle (or pectoral girdle) consists of the clavicle (collar bone) and the scapula (shoulder blade)

The Humerus (bone of the upper arm) fits into a cavity in the scapula called the glenoid cavity.

The clavicles ("little keys") are long bones that extend across the top of the chest and are attached to the sternum (breast bone) at their medial (towards the midline of the body) ends. The lateral (towards the outside of the body) ends attach to the scapula.

The scapulae ("spade" or "shovel") are thin triangular flat bones which lie between ribs 2 and 7.

The smallest bone in the human body is the stapes bone in the ear, also known as the stirrup bone. It is located in the middle ear and is responsible for transmitting sound vibrations to the inner ear.

No, the trachea is not a part of the skeletal system. The trachea is a tubular structure in the respiratory system that connects the larynx to the bronchi in the lungs, allowing for the passage of air during breathing.

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Birds have hollow bones to help them fly. Solid bones would add to much weight and make it impossible to fly.

No, if the calcium salts of bone are removed, the bone will not be highly flexible. Calcium salts contribute to the bone's hardness and strength, so without them, the bone would be weak and more prone to fractures, rather than flexible.

The cell-lined bag of fluid between the cartilage ends of bones is called the synovial membrane. It secretes synovial fluid, which lubricates the joint and provides nutrients to the cartilage. This helps reduce friction and allows for smooth movement of the joint.

The Latin word for "bone" is "os" (singular) or "ossa" (plural).

The bone that runs across the top of the chest between the shoulders is the clavicle, commonly known as the collarbone. It connects the shoulder blade to the sternum (breastbone) and helps to support the arm and shoulder.

The hyoid bone is located in the neck, between the chin and the thyroid cartilage. It is the only bone in the body that does not directly articulate with any other bones but is held in place by muscles and ligaments.

A woman has 207 to 208 bones in their body; due to them having babies.

A man has 347,000 bones; due to the fact that they don't have babies.

The brain is protected by the skull; similarly, the shell protects the animal's body.

Bones harden through a process called ossification, where osteoblast cells deposit minerals such as calcium and phosphorus onto a framework of collagen fibers. This mineralization process gives bones their strength and rigidity. Hormones like vitamin D and parathyroid hormone also play a role in regulating bone density and hardness.

The skeletal system provides support for your body, gives your body shape (both of which assist movement), and protects your body organs from injury's. Bones contain marrow which helps produce red blood cells. Without the skeleton, would would not be able to stand upright, walk, or run, or bend at the spine or joints.

the position at which the end of the muscles is attached by means of a tendon to a movable bone whereas insertion is the attachment of muscles to the movable bone.. also origin is generally closer to the mid line of the body whereas insertion is farther away..

Depending on the size of the ankle, it will slide down to below the ankle bone.

I don't know that answer.... I have mine on and was wondering the same thing. I broke my wrist and I can move the area a little lower from the wrist in the cast and also my fingers. But they also put pins in my cast. They are going to x-ray my cast on Saturday and if the bone is still in place then the answer is no.

The Piltdown man
The orangutan

The longest bone in the human hand is the metacarpal bone, located between the wrist and the fingers.

The spines on an octopus tree help prevent water loss by reducing air movement around the leaves, creating a more humid microclimate. This minimizes transpiration and helps the plant retain water during dry periods. The spines also deter herbivores from feeding on the leaves, further protecting the plant's water supply.