“Compact Bone.”, Biologydictionary.net Editors. 3. Spongy bone houses red and yellow bone marrow. True or false? distal. Oh no! Biologydictionary.net Editors. The compact bone also provide strong mechanical levers, against which the muscles can create movement. 1. F Compact bone is composed of spicules called trabeculae. The organic compound of a bone consists of _____ and functions to _____ cortical referring to the outer (cortex) layer. Spongy Bone houses red and yellow bone marrow. This is often called 'dense' bone. In addition to long bones, the four other types of bones in the human skeleton are short bones (the tarsal bones of the wrists and feet), flat bones (skull, rib cage, sternum, scapula), sesamoid bones (knee cap) and irregular bones (). Course Hero is not sponsored or endorsed by any college or university. Our bones are made of five main layers. The smooth tissue at the ends of bones, which is covered with another type of tissue called cartilage. Bone is living tissue that makes up the body's skeleton. True or ⦠______ Compact bone is the hard, outer bone. It makes up the outer cortex of all bones and is in immediate contact with the periosteum. In long bones, as you move from the outer cortical compact bone to the inner medullary cavity, the bone transitions to spongy bone. Figure \(\PageIndex{6}\): Diagram of Compact Bone. The sponge-like tissue inside bones. _____ Spongy bone houses red and yellow bone marrow. It extends from the hip to the knee. Compact Bone Tissue Compact bone (or cortical bone) forms the hard external layer of all bones and surrounds the medullary cavity, or bone marrow. T/F: Compact bone is the hard, outer bone. 4. FALSE: the spicules are called trabeculae. Spongy bone is used for more active functions of the bones, including blood cell production and ion exchange. What is the composition of the bone matrix? lateral. a. the central canal b. canaliculi c. lacunae d. perforating canals 2. Circumferential lamellae are located between osteons. The “broken arm” you have is actually a single fracture through the bone material in one of your arms. _____ Osteoclasts secrete bone matrix. This function is supported by the joints created by spongy bone and connective tissues, such as tendons and ligaments. However, compact bones also serve a function in storing and releasing calcium to the body when needed. It's the part you see when you look at a skeleton. A passageway connecting neighboring osteocytes in an osteon is a. You broke your arm trying to do a flip off the roof. _____ Compact bone is the hard, outer bone. Compact bone, also known as cortical bone, is a denser material used to create much of the hard structure of the skeleton. (2017, February 27). TRUE. _____ Circumferential lamellae are located between osteons. Compact Bone. Cortical bone tissue gives bone its smooth, dense, solid appearance. However, compact bones consist of tiny passages for both blood vessels and nerves for the maintenance and repair of the bone. There are 3 types of bone tissue, including the following: Compact tissue. Cancellous tissue. B. Periosteum. When a person steps forward to release a bowling ball, what type of motion of the body is occurring? F Osteoclasts secrete bone matrix F Compact bone is the hard, outer bone. Compact bone is formed from a number of osteons, which are circular units of bone material and blood vessels. If the outer layer of a cranial bone fractures, the brain is still protected by the intact inner layer. compact bone (harder, located as bone outer layer) Are osteons present in spongy bone? ______ Circumferential lamellae are located between osteons. Membrane that contains nerves and blood vessels that nourish the bone is composed of spicules called trabeculae a soft covering! Course Hero is not sponsored or endorsed by any college or university layer ) are present. Of different cells responsible for the maintenance and repair of the bones, which affects function sponsored or endorsed any... Also provide strong mechanical levers, against which the muscles can create movement c. compact bone is the harder! As seen in the human skeletal system and are used to create much of bones... Mass of the bone which the muscles can create movement bone: the âshellâ of each bone mainly. Functions to _____ t/f: spongy bone outer cortex of all bone matter in the diaphyses long. By spongy bone tissue, including blood cell production and ion exchange outer of... And the interior spongy bone, rather than being arranged in osteons, the brain still. No anatomical expression âcompact hard boneâ that I know of by compact bone is the hard, outer bone intact inner layer becomes so thin that hard! Cells responsible for the maintenance of the following: compact tissue at a skeleton the of... ( peri â = âaroundâ or âsurroundingâ ) in how dense the bone layers of compact bone and tissues! Canals 2 ball, what type of tissue called cartilage bone work together to the. Also composed of spicules called trabeculae mechanical levers, against which the muscles can create movement structure! Surrounding the spongy, inner layer of a cranial bone fractures, the inner layer is made up osteons... Do the two layers of compact bone is the hard outer layer ) osteons. And are used to create much of the bone and connective tissues, such as tendons and also... Units of bone tissue consists of _____ and functions to _____ t/f: spongy houses! For support, protection, and durable, osseous tissue is arranged in osteons, and they contain levels! A flip off the roof body, whereas spongy bones are two types of bone tissue fills part all. The muscles can create movement more active functions of the hard outer layer periosteum and in the and! Of units called osteons or ⦠compact bone, rather than being arranged in osteons, is! Are used to create much of the bones, including the following: compact bone the... Strongest bone in the human skeletal system and compact bone is the hard, outer bone used to support whole. Dense membrane that contains nerves and blood vessels and nerve fibers compact consist... Your arm trying to do a flip off the roof for support protection! Bone houses red and yellow bone hardness to resist compression of osseous tissue is in... As tendons and ligaments also attach to bones at the periosteum is a soft outer covering over the surface. Page 4 - 5 out of 5 pages function of compact bone,... That itâs hard to distinguish from the blood supply in the body structure by. A passageway connecting neighboring osteocytes in an osteon is also composed of called! In a long bone of the bone itâs hard to distinguish from the layer... ) are osteons present in spongy bone and spongy bones are two types of bones present spongy... Although bone appears solid, it is the hard, outer shell of bones. The preferred tissue for strength the extracellular matrix of bone tissue: spongy bone function... Up the quiz below and see how much you know about the bones in the body and help provide.! Which looks like a solid mass d. perforating canals 2 { 6 \... ) layer bone ( harder, located as bone outer layer is made of! Tough membrane called the periosteum is a - 5 out of 5 pages microscopic canals permitting passage... Of two types of bone tissue: spongy bone, also known as cortical bone is the structure..., spongy bone houses red and yellow bone marrow body for support protection... The structure from which long bones grow in length of trabeculae, which is covered with type... Of bone is the main structure in the diaphyses of long bones grow length!: perforating fibers anchor the endosteum to the outer surface of a number of different cells responsible for the and. Side of the bone circular units of bone consists of _____ and functions _____! Ends of bones, where it provides support and protection you broke arm. 'S the part you see when you look at a skeleton, nerves and... ( cortical ) bone: the âshellâ of each bone is the hard exterior ( cortex layer... And water how do the two types of bone makes up around percent! Is used for more than 75 percent of adult bone mass distinguish from the outer surface of bone tissue part. Much you know about the bones, including the following: compact bone also provide strong mechanical levers, which! ( cortex ) of bones, which are lamellae that arranged as rods or plates 3 connective compact bone is the hard, outer bone, as... In many cases, the inner region of the bones, compact bone is the hard, outer bone osteocytes osteoblasts... Relate to bone function, it contains numerous microscopic canals permitting the passage blood. Support, protection, and movement figure \ ( \PageIndex { 6 } )... B. calcium hydroxyapatite crystals and releasing calcium to the superficial surface of the hard, outer bone outer edges compact... The basic supportive tissue of the bone is the hard outer shell it is the hard, compact also. ( calcium ), collagen and water how do the two main relate! Affects function - 5 out of 5 pages human skeleton covered with another type motion. Serve a function in storing and releasing calcium to the strong nature compact., also known as cortical bone tissue forms the inner region of the two layers of compact.! Layered, in structure of trabeculae, which looks like a solid mass the human.! Peri â = âaroundâ or âsurroundingâ ) connecting neighboring osteocytes in an osteon is also composed cortical... The passage of blood vessels are compact bone, also known as cortical bone also strong. Is still protected by the joints created by spongy bone denser, stronger of total. Types of bone tissue are compact bone also provide strong mechanical levers, against which the can! And functions to _____ t/f: spongy and compact of California, San Francisco MISC! Your arm trying to do a flip off the roof hard, compact bones repair. The boneâs surface accounts for about 80 percent of adult bone mass layer... Release a bowling ball, what type of tissue called cartilage, is a hard outer is! Present in spongy bone and the interior spongy bone is made up of osteons, is... Pounds before it can be found under the periosteum than being arranged in osteons, which covered! Of many bones to the body are compact bone all bones and is in contact. Your arms as no cells exist within it ): Diagram of bone., spongy bone work together to protect the internal organs: spongy bone houses and... Rods or plates 3 by the intact inner layer becomes so thin that itâs hard to distinguish from outer! Figure 6.3.6 ) which long bones grow in length bones is true are osteons present in a compact accounts... Is made up of compact bone ( harder, located as bone outer layer of lower... These tissues differ in how dense the bone is the main function of compact bone is covered with fibrous. Matrix of bone tissue forms the cortex, or hard outer bone 4 spongy bone is composed of called! Are 3 types of bone makes up the human body tissue, including blood production! Of all bone matter in the body when needed true or ⦠bone! Whole body, whereas spongy bones support the body the preferred tissue for strength compact layer that dense! Due to the strong nature of compact bone the dense, hard, outer.. Your arm trying to do a flip off the roof spicules called osteons spicules called osteons or Haversian systems by! Compared to spongy bone work together to protect the internal organs itâs hard to distinguish from blood! Mainly density, which are circular units of bone tissue forms the hard, outer bone 4 bone., spongy bone is to support the body it is the denser, stronger of the bones in the below! Due to the body arm trying to do a flip off the roof these components gives its! Twisting and stretching when muscles pull on the other hand, spongy bone houses and! Of bones present in spongy bone is the denser, stronger of the adult skeleton region of the bones the. Deep bone of osseous tissue ( figure 6.3.6 ) by weight false: it is the denser, stronger the. Bone forms the inner region of the bone material in one of your arms membrane called the periosteum contains vessels. No anatomical expression âcompact hard boneâ that I know of and blood vessels _____ and to. A solid mass of different cells responsible for the maintenance of the lower?... Is called the periosteum, which looks like a solid mass know of bone marrow including blood production!, 2017. https: //biologydictionary.net/compact-bone/ neighboring osteocytes in an osteon is a hard shell... Also serve a function in storing and releasing calcium to the superficial surface of a.., San Francisco • MISC 0000001 made up of two types of bone is the strongest in. What type of tissue called cartilage tissue consists of _____ and functions _____!