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WorksheetsEx Phys - bone responses
Total questions: 11
Worksheet time: 6mins
Two responses of synovial fluid are decreased viscosity and increased temperature, what is the third
lower vitamin D
increased calcium
increased blood flow
more synovial fluid
Which is a response of synovial fluid to exercise
increased temperature
increased calcium
↑ vitamin D
more synovial fluid
What triggers osteoblast activity
Swimming
ATP
weight bearing activity
Synovial flui
Which one is a response of the synovial joint in exercise
lower vitamin D
increased calcium
decreased viscosity
reduced synovial fluid
What do osteoblasts do
make vitamin D
clean
reabsorb
build new bone
What does BMD stand for
(a)
What do osteocytes do
weaken bones
make vitamin D
control bone cleaning
assist synovial fluid
How does a reduction in synovial fluid viscosity help the joint
Allows less movement
It thickens the joint
Increases flexibility
Lubricates to reduce friction
What do osteoclasts do?
Destroy and Build
Clean and Reabsorb
Build and create
Deliver Calcium
Which are TWO of the five synovial joints
Ball and Socket
Flat Bone
Hinge
Scapula
Which activities will increase BMD
Swimming
Cycling
Rugby
Rowing
