B - Sebaceous Gland
The Sebaceous Gland is an accessory organ of the integumentary system.
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The Answer is A.The biceps muscle contracts while the triceps muscle relaxes. Only then can the forearm move up to lift the mug.
A good idea what one could do in the off-season (considering one would do seasonal sports such as skiing) would be to either engange in activities that will preserve fitness - b, or to relax and recuperate; depending on the desire and wishes of the person - a.
Answer:
Whereas a pathological fracture can arise from a single minor trauma to an abnormal bone, a stress fracture is the result of repeated low impact trauma to a normal bone.