1: The skin is a waterproof covering that ________.
cushions our internal organs
prevents entry of harmful microorganisms
prevents dehydration
helps regulate our body temperature and maintains homeostasis
all of the above
2: The _________ provides external protection to the body and is the largest organ of the ________ system.
endoskeleton; skeletal
skin; integumentary
subcutaneous tissues; skin
cartilage; skeletal
none of the above
3: Osteoporosis is _________.
the build-up of calcium in the bones of the body
the loss of calcium from the bones of the body
a condition in which the bones become brittle and porous
both B and C
none of the above
4: Skin cells divide and multiply in the __________.
epidermis
osteoclasts
dermis
subcutaneous tissues
all of the above
5: The _________ glands produce oil that lubricates the skin.
sweat
sudoriferous
subcutaneous
sebaceous
none of the above
6: Most skeletal muscles are found in _______ pairs, meaning that as one ________, the other relaxes.
antagonistic; contracts
metacarpal; stretches
flexible; bends
skeletal; pushes
none of the above
7: Cartilage is gradually replaced by bone in a process called __________.
mitosis
ossification
dehydration
homeostasis
none of the above
8: Bone-forming cells called osteoblasts add _________ to the bones, making them harder.
keratin
acetylcholine
air
calcium
none of the above
9: The skull is connected to the spine by a _________ joint, a type of __________ joint.
pivot; synovial
ball-and-socket; synovial
hinge; gliding
gliding; flexible
none of the above
10: The most flexible type of joint of the body is the ___________.
phalanges
pivot joint
carpal joints
ball-and-socket joint
all of the above
Skeletal system questions?
1. all of the above
2.skin; integumentary
3. b and c
4. epidermis
5. sebaceous
6. A
7. ossification
8. calcium
9. pivot; synovial
10. ball and socket
Reply:Wouldn't it be easier to just read the textbook and actually LEARN the answers?
All of them are "A".
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