Monday, July 27, 2009

Please help with ten out of 100?

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

Please help with ten out of 100?
1: The skin is a waterproof covering that


all of the above





2.The _________ provides external protection to the body and is the largest organ of the ________ system.


skin; integumentary





3: Osteoporosis is ____both B and C_____.


.





4: Skin cells divide and multiply in the _epidermis _________.





5.The _sebaceous________ glands produce oil that lubricates the skin





6: Most skeletal muscles are found in _______ pairs, meaning that as one ________, the other relaxes


antagonistic; contracts





7: Cartilage is gradually replaced by bone in a process called _________ossification








8: Bone-forming cells called osteoblasts add __calcium _______ to the bones, making them harder.





9: The skull is connected to the spine by a _________ joint, a type of __________ joint.


pivot; synovial





10: The most flexible type of joint of the body is the ___________. ball-and-socket joint
Reply:welcome Report It

Reply:I'm not that good in biology but I do know some of the answers


2. skin; intgumentary


3. a condition in which the bones become brittle and porous


5. sweat glands


6.antagonistic; contracts


7. ossification


9. pivot; synoial


10. ball-and-socket joint
Reply:Good god. These should all be in your book and you could have found them in the length of time that it took you to type this thing
Reply:agree with dogsafire.


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