•What muscles are still working when you sleeping?
A.cardiac muscles
B.triceps
C.deltoid
D.shoulder muscle
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•A shiny white tissue at the end of the muscles?
A.ligament
b.tendon
C.joints
D.cartilage
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•Our body can from cold weather because
A.the third layer of the skin is made mostly of fat and helps body stay warm.
B.the second layer of the skin is thicker.
C.the first layer has a keratin that produce skin cells and fill with a tough waterproof protein.
D.all of the above
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• What do you call to the process by which nutrient molecules pass through the wall of your digestive system into the blood?
A.elimination
B.fusion
C.absorption
D.peristalsis
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•The involuntary wave of muscle contractions is called?
A.peristalsis
B.absorption
C.fusion
D.elimination
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•A tiny finger like structures that line the small intestine?
A.chime
B.villi
C.fimbriae
D.epiglottis
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• What is the way out of sweat in our body?
A.pores
B.liver
C.lungs
D.pancreas
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• We taste the food that we eat because the
A.protein
B.amino acids
C.enzyme
D.keratin
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• Which of the following system of the body is the best paired with its functions?
A.nervous-sense
B.excretory-eliminates
C.digestive-covering
D.musculo-skeletal-support and shapes
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• Muscle that plays important role in breathing is
A.deltoid
B.flexor
C.diaphragm
D.lungs
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• Air passing through the air conditioning unit is cleaned by an air filter which removes dust particles from the air.what prevents dust from entering our lungs like the air filters?
A.windpipe
B.epiglottis
Hair and cilia
D.mucus
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• Which is the hardest and longest bone
A.fibula
B.femur
C.pelvic
D.ribs.

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