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Bio 161 Final Psu Waters Questions And Answers With Verified Solutions 100% Correct!!!
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Bio 161 Final Psu Waters Questions And Answers With Verified Solutions 100% Correct!!!
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Bio 161 Final Psu Waters Questions AndAnswers With Verified Solutions 100%
Correct!!!
skeletal system - ANSWER✔✔ dynamic system of connective tissue; living tissue
functions of bone - ANSWER✔✔ support, protection, movement, electrolyte
balance, acid-base balance, blood cell differentiation
support function of bone - ANSWER✔✔ holds body upright; supports muscles and
organs
protection function of bone - ANSWER✔✔ enclose important organs
movement function of bone - ANSWER✔✔ provide attachement sites for muscles
electrolyte and acid-base balance function of bone - ANSWER✔✔ stores and
releases ions needed by body and stores and releases salts to buffer blood (pH
balance)
blood cell differentiation function of bone - ANSWER✔✔ location of bone
marrow, main producer of blood cells
shapes of bones - ANSWER✔✔ flat, short, long, irregular
diaphysis - ANSWER✔✔ shaft of bone
epiphysis - ANSWER✔✔ end of long bone
medullary cavity - ANSWER✔✔ site of blood cell production in bone
articular cartilage - ANSWER✔✔ covers joint to reduce friction; covers articular
surfaces of bone; absorbs compression, protects underlying bone
endosteum - ANSWER✔✔ inside bone, lines the medullary cavity, contains
osteogenic (bone-forming) cells
, periosteum - ANSWER✔✔ tough membrane covering bone, has an osteogenic
layer
red bone marrow - ANSWER✔✔ found within spongy bone, forms blood cells
yellow bone marrow - ANSWER✔✔ found within medullary cavity, stores fat
osseous tissue - ANSWER✔✔ connective tissue normally called "bone"; solid
matrix
collagen - ANSWER✔✔ fibers of bone and cartilage matrix, gives some flexibility
hydroxyapatite crystals - ANSWER✔✔ ground substance of bone
trabecular bone - ANSWER✔✔ spongy bone, many spaces; found on epiphysis
cortical bone - ANSWER✔✔ compact bone; found outside medullary cavity
cartilage - ANSWER✔✔ connective tissue that consists of chondrocytes that
secrete collagen into a solid, but not mineralized, matrix
Chondrocytes - ANSWER✔✔ cartilage cells
ground substance of cartilage - ANSWER✔✔ solid but not mineralized (rubbery)
osteoprogenitor cells - ANSWER✔✔ bone stem cells; divide to replace themselves
or make osteoblasts; found in endosteum and periosteum
osteoblasts - ANSWER✔✔ bone builders; secrete unmineralized bone matrix
(osteoid); some mature into osteocytes
osteoid - ANSWER✔✔ collagen, calcium binding proteins
osteocytes - ANSWER✔✔ help maintain surrounding bone matrix; act as stress or
strain sensors; communicate with other bone cells to regulate bone growth and
resorption
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