In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: What are the five of the skeleton?Answer: Support, protection, movement, , and blood cell production. Question: What are the types of skeletal support?Answer: Bone, cartilage, and . Question: What is bone?Answer: Rigid, strong bone is well for bearing weight and is the major supporting tissue of the body. Question: What is ?Answer: Cartilage provides a firm, yet flexible support within certain structures, such as the nose, external ear, rib , and trachea. Question: What are ?Answer: Ligaments are strong bands of fibrous connective tissue that to bones and hold them together. Question: Bone is hard and protects the organs it surrounds. What are some of bone acting as protection?Answer: The skull encloses and protects the brain, and the vertebrae surround the spinal cord.
The rib cage protects the heart, , and other organs of the thorax. Question: Skeletal muscles attach to bones by tendons, which are strong bands of tissue. How do they produce movement?Answer: of the skeletal muscles moves the bones, producing body movements.
Question: Joints permit and the
movement between bones. Where are they formed?
Answer: Where two or more come together. Question: What substance covers the ends of bones within some joints, allowing the to move freely?Answer: cartilage. Question: What do do?Answer: Allow some movement between but prevent excessive movement. Question: Some minerals are stored in the bones, and when the blood levels of these minerals decrease, they are from the bone. What are the top two minerals stored in the bone?Answer: and phosphorus. Question: What is stored in the bones and can be released into the body as a of energy?Answer: Fat(adipose ). Question: Marrow in some bone cavities gives rise to blood cells and...Answer: Platelets. Question: bone is found in between...Answer: bone. Question: An is also known as a...Answer: system. Question: What runs through the middle of a (Haversian) canal?Answer: vessels. Question: Perforating canals(in the bone) run to osteons and are called?Answer: Volkmann's . Question: What in the bone make up the by forming rings around a blood vessel?Answer: lamellae. Question: The bone contains three types of :Answer: Osteoblasts, osteocytes, and . Question: What are delicate bridges of bone that marrow and vessels within a bone?Answer: Trabecula. Question: Why is no skeletal protection around the abdominal organs?Answer: Because we store fat in the and it needs room to grow. Question: What us to move?Answer: Displacement of body segments after contraction of . Question: What do store?Answer: Calcium and phosphates and fats – fat. Question: What is ?Answer: The formation of in the bones. Question: is blood formed?Answer: In red bone . Question: Where is red bone found?Answer: Mostly in flat bones – sternum, hip, skull, long bones. In , many bones are capable of hematopoesis. Question: Every organ has two ...Answer: Parenchyma, which is the functional part of the . Stroma, which is support. Question: What is the unit of bone?Answer: , or Haversian system. Question: What runs an osteon?Answer: A vascular structure, which is a combination of an artery and a vein with tissue around it. Question: What is an ?Answer: The bone-forming cells. Their primary function is to lay down new bone.
Once this function is complete, become osteocytes. Question: What are ?Answer: These cells are osteoblasts that have become imprisoned within the bone matrix. They help maintain bone by synthesizing new bone matrix molecules. Question: What are ?Answer: Osteoclasts function primarily to resorb (remove) bone during the process of and repair. They cause causes destruction of bone and extraction of Ca++ to increase the calcemia in the blood. Question: What is a blood vessel perforating perpendicularly between two (haversian systems)?Answer: 's canal. Question: What is the tissue that surrounds the bone?Answer: . Question: Is a fluid layer between the periosteum and the bone?Answer: No. Question: What is a ?Answer: One of the layers of bone around a canal. Question: What are lamallae?Answer: that encircle a Haversian canal(osteon). Question: What are lamallae?Answer: Lamallae that fill in the spaces the circular Haversian canals(osteons). Question: What are ?Answer: Minute channels within bone. Question: An osteoblast is a cell that ...Answer: Type I . Question: What do osteoblasts do when by 1,25-dihydroxyvitamin D?Answer: Produce . Question: What stimulates osteoblasts to osteocalcin?Answer: 1,25-dihydroxyvitamin D. Question: Osteoblasts are responsive to what ?Answer: hormone(PTH). Question: Where are osteoblasts ?Answer: Osteoblasts are on the outer surface of bones, where they form a single layer of cells. Question: How do make new bone?Answer: They about the formation of new bone by their synthesis of osteoid. Question: What is ?Answer: Non-mineralized bone . Question: What is an ?Answer: A transformed osteoblast that is trapped or surrounded in osteoid as it from minerals that enter during calcification. Question: The function of osteocytes is not known, but they do...Answer: Synthesize certain matrix molecules assisting calcification. Question: Bones break with either...Answer: Too much or too Ca++. Question: Osteocytes obtain from...Answer: in the canaliculi and help concentrate them in the matrix. Question: Osteocytes and replace needed elements of the matrix, thus...Answer: Helping to maintain mineral homeostasis with the help of the PTH and cells. Question: How do osteocytes help to maintain mineral homeostasis with the help of the PTH and cells?Answer: By synthesizing and replacing elements of the matrix. Question: True or false: Osteoclasts are the resorptive cells of bone.Answer: True. Question: osteoclasts:Answer: They are large, multinucleated cells with a short life span which develop from the hematopoietic stem cell in the bone stroma and adjacent vessels and from mononuclear phagocytic cells. Question: How many do osteoclasts have?Answer: Multiple. Question: Describe the life span of .Answer: They have a life span. Question: do osteoclasts come from?Answer: They develop from the hematopoietic stem cell in the bone marrow stroma and adjacent vessels and from phagocytic cells. Question: Osteoclasts contain <blank> with <blank>.Answer: (digestive vacuoles) filled with hydrolytic enzymes. Question: What are ?Answer: Digestive . Question: What are inside osteoclasts filled with?Answer: enzymes. Question: Fracture is rupture of bone. What happens first in the process?Answer: Break –> severe bleeding. inside of osteon break and form hematoma in area. Question: What happens as a result of a hematoma forming at a in bone?Answer: This chondroblasts to create a pattern of the broken plate in cartilage. Then osteoblasts deposit minerals in area. Question: How long to remodeling of bone?Answer: At 45 days. Question: Bones are changing Ca++. How long to completely replace a bone?Answer: 5-9 . Question: How many times does the completely turn over in a lifetime?Answer: At 3 times. Question: What is the head of the bone?Answer: . Question: Where are epiphyseal ?Answer: The point the epiphysis joins the diaphysis. Question: How are epiphyseal sealed?Answer: There is a point after surge in sexual hormones when epiphyseal plates are sealed and there is no possibility for more growing. When seal is calcified you cannot create more bone and the growth is impossible. Question: True or false: young people have more red bone marrow in their long than adults.Answer: True. Question: Yellow bone contains fat. Where is it found?Answer: Everywhere. Question: What is the cavity that marrow(either red or yellow) called?Answer: cavity. Question: Periosteum has how many layers? What are they ?Answer: Two. Inner and . Question: What are the two ways bone is ?Answer: Histalogically and by . Question: What are the two classifications of bone?Answer: Compact and . Question: What are the four classifications of bone?Answer: Long, flat, , short. Question: What are of long bone?Answer: , humerus. Question: What is an of flat bone?Answer: Parietal bone from roof of . Question: What are examples of bone?Answer: Vertebra, sphenoid bone from . Question: What is an example of bone?Answer: Carpels from . Question: What are the two of skeleton?Answer: and appendicular. Question: What makes up the axial ?Answer: Skull, spinal column, and . Question: What makes up the skeleton?Answer: Appendicular skeleton includes pectoral girdle: clavicle, , upper extremities. Pelvic girdle: coccyl bones, hips, lower extremities. |
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