I read the books my notes, but still need help..!!!help me please....if you dont know the asnwer dont answer.?

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

I read the books my notes, but still need help..!!!help me please....if you dont know the asnwer dont answer.?
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
Reply:okay I have answers for the first three for you...I couldnt finish bc I am done school and I dont like to think anymore but first 3 d,b,d
Reply:1. all the above


2. skin, integumentary


3. both b and c


4. all the above


5.sebaceous


6. antagonistic; contracts


7. ossification


8. calcium


9. none of the above it is a condyloid joint


10. ball and socket i think
Reply:1--f, 2--b, 3--d, 4--?, 5--d, 6--a, 7--b, 8--?d, 9--?b, 10--d