Short bones: are small, light, strong, cubed shaped bones. The carpals and tarsals are of the wrists and ankles are examples of short bones. P1: Types of major bone sesamoid bones: have a specialised function. They are usually found within a tendon such as the patella in the knee. Irregular bones: have complex shapes that for none of the above categories. The bones of the spine are a good example. Flat bones: are thin, flattened and slightly curved, and have a large surface area, examples include the scapula, sternum, and cranium. Write the following term into your workbooks: Anterior: to the front or in front Posterior: to the rear of behind Medial: Towards the midline lateral: Away from the midline Proximal: near to the root or orgian Distal: Away from the root or orgian Superior: Above.
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Vertebral column, task: colour in the axial section of the skeleton. Task: Label the axial skeleton, p1: Appendicular skeleton, the appendicular skeleton consists of the shoulder and the pelvic girdle. The shoulder girdle consists of four bones which connect the limbs of the upper body to the thorax 2 clavicles 2 scapulae, the upper limbs consist of 60 bones. Each upper limb is made up of: 1 humerus 1 radius 1 ulna 8 carples 5 metacarpals 14 phalanges P1: Appendicular skeleton The pelvic girdles main function is to provide a solid base through which to transmit the weight of the upper body and protect. The pelvic girdle consists of three bones: Ilium Pubis Ischium The lower limbs consist of 60 bones. Each lower limb is made up of: 1 femur 1 tibua 1 fibua younger 1 patella 7 tarsals 5 metatarsals 14 phalanges The principle function of the pelvic girdle is to provide a solid base through which to transmit the weight of the upper body. It also provides attachment for muscles of the lower back and legs, and protects the digestive and reproductive organs. P1: Appendicular skeleton P1: Types of major bone task: Watch the following video and answer the questions P1: Types of major bone bones vary in shape and size according to their location and function. They are classified as follows: long bones Short bones Flat bones sesamoid bones Irregular bones Long bones: are found in the limbs such as the femur, tibia, and fibula. They have a shaft known as the diaphysis and two expanded ends known as the epiphysis.
P1: Structure of the skeletal system, the skeletal system is made up of: Bones, cartilage, joints, the function of the skeletal system is to provide: Protection, shape, support. Movement, blood production, joints are also important, giving you the freedom to flex or proposal rotate parts of your body. However this gets harder with age, as your bones lose their strength and density. The human body is made up of 206 bones, which are divided into two groups: 80 form your axial skelton; the other 126 form your appendicular skelton. P1: Bones of the human skeleton. Label the bones of the human skeleton. P1: Axial skeleton, the axial skeleton forms the main axis or core of your skeletal system, it is made up of 80 bones and consists of the: skull (cranium andd facial bones thorax (sternum and ribs).
Provides (a) movement for the body (b) protects the organs of digestion. The primary function of the pectoral girdle is to provide an attachment point for the numerous muscles that allow the shoulder and qualitative elbow joints to move. The carpal bones allow the wrist to flex. Radius and Ulna: The radius is the lateral bone of the forearm (located on the thumb side). Principles of Anatomy and Physiology:.1 Structure of the, skeletal, system, learning Intentions. P1: to describe the structure and function of the skeletal system, to know all three classifications of joint and the movement available at each. P2: to describe the different classifications of joints.
Articulating there in a ball joint. The ulna's function is flexion and extension while the function of the radius is supination and pronation (rotation). The first metatarsal (which adjoins the phalanges of the big toe) is enlarged and strengthened for its weight-bearing function in standing and walking on two feet. The fibula is parallel and lateral to the tibia and helps stabilize the ankle joint. The hand bones include the metacarpals and phalanges. It also provides the connection between the upper extremities (the arms) and the axial skeleton. The Appendicular skeleton includes bones of the. Skeletal, system, the Appendicular skeleton. These systems work together with the bones of the appendicular skeleton providing attachment points and leverage for muscles.
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The humerus bone makes up the upper arm between the elbow and the shoulder. Acromioclavicular and the sternoclavicular. The essay wrist is considered a hinge teresa joint. Wrist and hand: The wrist bones are known as the carpals. Tibia and fibula: The tibia or shin bone is the larger of the 2 bones and is the weight bearing bone. Ulna is the medial bone of the forearm (located on the little finger side).
Ankle and foot: The tarsal bones are a group of bones that make up the ankle. The type of joint is a synovial hinge joint. It attaches to the ulna in a hinge joint. The foot is made up of Metatarsal bones and phalange bones. It functions by providing support to the entire skeletal system and provides movement to the lower limbs. Push and rotate objects.
The joint is held together by anterior and posterior cruciate ligaments and provides motion for the lower leg. The pectoral girdle: the shoulder is made up of 4 bones. The hip bones unite anteriorly at a joint called the pubic symphysis and posteriorly with the sacrum at the sacroiliac joints. It is attached to the lateral end of the scapula. femur: or thigh bone is the largest and strongest bone in the human body.
The Appendicular skeleton interacts with the muscular system to maintain homeostasis. Which aids body movements. Knee joint: is an articulation point between 3 bones: the femur. The clavicle (2) and the scapula (2). There are 3 joints in the pectoral girdle. It articulates with the hip at the hip joint and the bones of the lower leg at the knee joint.
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Without this stress, they lose calcium. Bones have to be physically stressed to remain healthy. The more they are used, the stronger they become. Exercising regularly builds and strengthens bones. Weight-bearing exercises where bones and muscles are used against gravity are best. These include aerobics, dancing, jogging, stair climbing, walking, tennis, and lifting weights. pelvis: The pelvic girdle is made up of 2 hip bones also called coxal or pelvic bones and the sacrum. The pelvic girdle supports the weight thesis of the body and also functions by protecting organs. The humerus enables the upper extremity to reach.
The last two, the coccyx and sacrum, are separated by the fused vertebrae. The remaining regions are: the cervical curvature made of 7 vertebrae, the thoracic region made of 12 vertebrae, and the lumbar made of 5 vertebrae. Like all systems in the body, the skeletal system is affected by age. As the body ages, bone tissue tends to lose more aol calcium than is replaced. The effects of aging on the skeletal system can be lessened by following a healthy lifestyle. A proper diet and exercise are key factors in maintaining the health of the skeletal system. To help slow the rate of bone loss later in life, it is important to build as much bone mass as possible early in life. Without calcium, phosphorus, protein, certain vitamins (a, c, and d and other nutrients, bones cannot grow properly. Bones are specialized to bear or carry weight.
ribs). The primary purpose of the ribs is to protect your lungs and the heart. The vertebral Column or spine is a flexible structure made of 26 bones. An infant has 33 vertebrae, but the lower four fuse to form the coccyx, and the next lower five fuse to become the sacrum. The spine serves several important functions. It provides structure from which all other upper body structures branch, and it protects the spinal nerve. The spine is separated into five regions.
Red blood cells, lymphocytes and other cells relating to the immune response are produced and stored in the bone marrow. the bones of the skull can be categorised into two groups, the cranium and face. The skull is an important structure as it contains and protects the brain. The skull provides the framework for most of the sensory organs, such as eyes, ears, tongue, nose, and some skin. It is made up of 22 cranial or facial bones, plus three bones (Malleus, Incus, and stapes) in each ear. These bones transmit sound waves from the external empire environment into the cochlea. The thorax (chest) is the sternum and ribs. The sternum spans about half the length of the ribs. There are twelve ribs forming the structure of the chest.
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The skeletal system has five key functions: (1) protection of vital internal organs, report (2) providing for support for the muscles and tissues of the body, (3) instruments of movement of the joints initiated by muscles, (4) creation of blood cells, and (5) energy storage. There are two parts of the skeletal system ; the axial skeleton (skull, spine, sternum and ribs) and the appendicular skeleton (upper and lower extremities, pectoral and pelvic bones). These two skeletons are made up of 206 bones with over half of these bones found in the hands and feet. The axial skeleton, making up 80 of the 206 bones, includes all upper body bones. It is subdivided into three groups: the skull, the vertebral column, and the bony thorax. The main functions of this skeleton are to protect vital organs, such as the brain, heart, and lungs, and to provide a competent structure for movement. The skeletal system contributes to the maintenance of homeostasis by serving as an important mineral reserve. If blood levels of calcium or magnesium are low and the minerals are not available in the diet, they will be taken from the bones. Also, the skeletal system provides calcium needed for all muscular contraction.