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The head rests on the top part of the vertebral column, with the skull joining at C1 (the first cervical vertebra known as the atlas).The skeletal section of the head and neck forms the top part of the axial skeleton and is made up of the skull, hyoid bone, auditory ossicles, and cervical spine.
A normal bladder can hold up to 16 ounces (half a liter) for 3–5 hours comfortably. Numerous diseases affect the urinary system including kidney stones , which are formed when materials in the urine concentrate enough to form a solid mass, urinary tract infections , which are infections of the urinary tract and can cause pain when urinating ...
There is substantial individual variation, [4] with the standard reference range for men being 1,180–1,620 g (2.60–3.57 lb) [5] and for women 1,030–1,400 g (2.27–3.09 lb). [ 6 ] The cerebrum , consisting of the cerebral hemispheres , forms the largest part of the brain and overlies the other brain structures. [ 7 ]