The skeleton Spine – cervical, thoracic and lumbar vertebrae, sacrum and tailbone (coccyx) Chest – ribs and breastbone (sternum) Arms – shoulder blade (scapula), collar bone (clavicle), humerus, radius and ulna.
What is in the middle of your bones?
The soft bone marrow, which is found inside many bones, makes most of the body’s red blood cells, white blood cells, and platelets.
What are the 4 main bones in the body?
Long Bones The four principal types of bones are long, short, flat and irregular. Bones that are longer than they are wide are called long bones. They consist of a long shaft with two bulky ends or extremities. They are primarily compact bone but may have a large amount of spongy bone at the ends or extremities.
What are the 3 strongest bones in your body?
Your leg bones are the longest and strongest bones in your body. When you stand or walk, all the weight of your upper body rests on them. Each leg is made up of four bones. The three long bones are your femur, your tibia and your fibula.
What’s the bone in the middle of your chest?
Your sternum is a bone that’s located in the middle of your chest. It’s also sometimes referred to as the breastbone. Your sternum protects the organs of your torso from injury and also serves as a connection point for other bones and muscles.
Is there a bone in the middle of your chest?
The sternum, or breastbone, is a long flat bone in the center of the chest. It protects the heart and also serves as the connection point for the costal cartilage.
How are bones living organs?
Your bones aren’t just dead pieces of scaffolding. They’re living organs. They continually replenish themselves and regenerate to build new bone in place of old bone and when it’s damaged-making it one of the few organs in the body able to do that.
Are bones organs or tissues?
Bones are organs that consist primarily of bone tissue, also called osseous tissue. Bone tissue is a type of connective tissue consisting mainly of a collagen matrix that is mineralized with calcium and phosphorus crystals.
What is the smallest bone in the body?
At 3 mm x 2.5 mm, the “stapes” in the middle ear is the smallest named bone in the human body. The shape of a stirrup, this bone is one of three in the middle ear, collectively known as the ossicles.
Which type of bones are hollow?
Long bones are made of hollow tubes, which give strength with minimal weight.
What’s the weakest bone in body?
clavicle
The clavicle or the collar bone is the softest and weakest bone in the body.
What’s the hardest bone to break?
The thigh bone is called a femur and not only is it the strongest bone in the body, it is also the longest. Because the femur is so strong, it takes a large force to break or fracture it – usually a car accident or a fall from high up.
What are the bones below the head called?
Bones below the head: Shoulder bones(4): shoulder blade (2), collarbone (2) (also called the clavicle) Thorax bones(25): sternum (1), ribs (2 x 12) Vertebral column bones (24) cervical vertebrae (7), thoracic vertebrae (12), lumbar vertebrae (5) Bones in the Arms: Upper Arm bones (2): humerus (2) Forearm bones(4): radius (2), ulna (2)
What are the types of bones in the human body?
calcaneus (heel bone) (2), talus (2), navicular (2), medial cuneiform (2), intermediate cuneiform (2), lateral cuneiform (2), cuboid (2), metatarsal bone (5 x 2) Toe bones: proximal phalanges (5 x 2), intermediate phalanges (4 x 2), distal phalanges (5 x 2) Science of bones for kids. More Biology Subjects.
What are the 6 facial bones in the human body?
(sometimes counted as facial) Ethmoid bone (sometimes counted as facial) 1 Occipital bone 2 Parietal bones (2) 3 Frontal bone 4 Temporal bones (2) 5 Sphenoid bone . (sometimes counted as facial) 6 Ethmoid bone (sometimes counted as facial)
What are the attachment points of the skeletal system?
The bones of the skeletal system act as attachment points for the skeletal muscles of the body. Almost every skeletal muscle works by pulling two or more bones either closer together or further apart. Joints act as pivot points for the movement of the bones.
