_______________ allows calcium levels in bones to increase.
Heart & kidneys
Blood clots
Bone marrow
The _____________ are in charge of maintaining blood pressure.
Heart & kidneys
Blood clots
Bone marrow
Platelets cling to injured blood vessels and heal them by forming __________.
Heart & kidneys
Blood clots
Bone marrow
Which of the following can cause disturbances in the skeletal system? (choose all that apply)
Disease
Injury
Lack of nutrition
Trauma to certain bone tissue
Bone growth
Calcium intake
Drinking too much milk
Drinking too much water
Constant texting
Is the skeletal system an open or closed system?
Closed
Open
Fill in the blank: There are ____________ main subsystems in the skeletal systems.
1
2
3
4
206
22
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