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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
What would you do if you found bones at a job-site?
If you find bones at a job-site, stop work in the immediate area, and inform your supervisor and local authorities. It is important to follow proper protocols for handling such situations to ensure the remains are respectfully and legally addressed.
What is a Hard dense bone tissue called with few space?
The hard, dense bone tissue with few spaces is called compact bone. It provides strength and support to the skeletal system.
Bones working together make up the skeletal system, which provides support, protection for organs, and enables movement. The bones connect at joints, where muscles, tendons, and ligaments work together to facilitate movement and stability. Each bone has a specific function and shape that contributes to the overall structure and function of the body.
Tough protein fiber that is found in bones?
Collagen is the tough protein fiber found in bones. It provides structure and strength to bones, as well as to other connective tissues in the body.
Which two elements help make bones hard?
Calcium and phosphorus are the two elements that help make bones hard. These minerals combine to form hydroxyapatite crystals, which give bones their strength and rigidity.
What is the role of a skeleton?
The skeleton provides support and structure to the body, protecting vital organs and allowing for movement. It also serves as a storage site for minerals like calcium and phosphorus, and produces blood cells in the bone marrow.
Why and how are bones hard and flexible?
Bones are hard due to their composition of calcium phosphate minerals, which provide strength and rigidity. They are also flexible because of their collagen fibers, which allow for some degree of bending and absorption of shocks without breaking. This combination of hardness and flexibility helps bones withstand everyday forces and prevent fractures.
What is a head of radius fracture?
The radial head may be fractured by direct violence such as fall or blow on the side of the elbow,means in vulgus position.The fracture mostly seen in 4 types ,
1.split fracture of the head of radius
2.marginal fracture of head of radius
3.communuted fracture
4.fracture in the neck of radius
The 4th one mostly in children,because in children the epiphysis is cartilage[spongy type bone].so have more chance for fracture.
What is the function of the meniscus in the knee?
The meniscus in the knee acts as a cushion between the thigh bone and shin bone, helping to distribute weight and reduce friction during movement. It also helps with shock absorption and stability of the knee joint.
What are the three compartments of the knee?
The three compartments of the knee are the medial compartment (inner side of the knee), lateral compartment (outer side of the knee), and the patellofemoral compartment (front of the knee where the kneecap articulates with the thigh bone).
What are the articulating bones in the shoulder?
The articulating bones in the shoulder are the humerus, scapula, and clavicle. These bones come together to form the shoulder joint, also known as the glenohumeral joint, which allows for a wide range of motion in the shoulder.
Where is cartilage found on a long bone?
It is found at either end of the long bones where it provides a shockabsorbance in the synovial joint capsule.
Why aren't bones covered in blood?
Bones do have blood vessels running through them in a soft tissue called bone marrow, which produces blood cells. However, the hard outer layer of bones, called compact bone, is not supplied with blood vessels on its surface. The periosteum, a thin membrane surrounding bones, is responsible for supplying blood to the outer layer of bones.
Marrow hypoplasia, also known as aplastic anemia, is a condition where the bone marrow does not produce enough blood cells, including red blood cells, white blood cells, and platelets. This can result in symptoms like fatigue, paleness, frequent infections, and easy bruising. Treatment may involve medications, blood transfusions, and sometimes a bone marrow transplant.
The reabsorption of previously laid down bone is accomplished by?
The reabsorption of previously laid down bone is accomplished by specialized cells called osteoclasts. Osteoclasts break down bone tissue by secreting enzymes and acids to dissolve the mineralized matrix and release calcium into the bloodstream for utilization elsewhere in the body. This process is essential for bone remodeling and maintaining calcium homeostasis.
What are examples of structers found in a natural environment that have fixed joints?
Examples of structures found in a natural environment with fixed joints include tree branches, exoskeletons of insects, and coral reefs. These structures have joints that do not move or have limited movement, providing stability and support for the organisms. Fixed joints are essential for maintaining the overall structure and function of these natural formations.
What are facts about the patella?
The patella, also known as the kneecap, is a triangular bone located in front of the knee joint. Its main function is to protect the knee joint and increase the leverage of the quadriceps muscles. The patella is embedded in the quadriceps tendon and helps to stabilize the knee during activities such as walking, running, and jumping.
The bone-forming cells are called osteoblasts. They are responsible for the production and mineralization of bone tissue. Osteoblasts play a critical role in the formation of new bone during bone growth, remodeling, and repair.
How many pairs of ribs is the thoracic cage composed of?
There are 7 pairs of true ribs. They are the 1st through 7th ribs. There are 5 pairs of false ribs, the 8th to the 12th ribs.
Is Adam's apple considered a bone?
No, the Adam's apple is not a bone. It is a visible protrusion at the front of the throat that is formed by the thyroid cartilage of the larynx.
How many bones does a perch have?
A perch is a fish, and all fish are vertebrates. If you were to take any vertebrate and split it straight down from the spine, both halves would be identical (excluding color patterns such as spots). Therefor, all vertebrates, including perch, have bilateral symmetry.
Where are the OS coxae bones located?
The os coxae bones, also known as the hip bones, are located in the pelvic region of the human body. They are positioned on either side of the sacrum, forming part of the pelvis. These bones play a crucial role in supporting the body's weight and facilitating various movements.
