Answer:
Osteons are cylindrical structures that contain a mineral matrix and living osteocytes connected by canaliculi, which transport blood. They are aligned parallel to the long axis of the bone. Each osteon consists of lamellae, which are layers of the compact matrix that surround a central canal called the Haversian canal.
Answer:
Global warming
Explanation:
The environmental problems like global warming, acid rain, air pollution, urban sprawl, waste disposal, ozone layer depletion, water pollution, climate change and many more affect every human, animal and nation on this planet.
Is a) Cystoscopy<span>, also </span>called<span> Cystourethroscopy, is a diagnostic </span>procedure<span> that allows the doctor to directly </span>examine<span> the urinary tract. A </span>cystoscopy<span> may be ... 10 to 15 minutes before the </span>procedure<span>. This allows time for the dye to go into the </span>kidneys<span> where it mixes with urine.</span>
