Cardiac exercises! They get your heart pumping blood quicker to strengthen it! :)
Only takes one student to spread the measles that's why every student need to get vaccinated.
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Wool socks: 1-5 years
Like T-shirts, old wool socks are often considered non-donable and are therefore thrown in the trash. Unlike cotton T-shirts, they stay in landfills for up to five years.
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Friction is the answer to the blank space
Loud noise can damage cells and membranes in the cochlea. Listening to loud noise for a long time can overwork hair cells in the ear, which can cause these cells to die. The hearing loss progresses as long as the exposure continues. Harmful effects might continue even after noise exposure has stopped.