Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
The ATP cycle
Rock Cycle
The rock cycle and the Earth’s physical environment
Structure of a Fatty Acid Fatty acids are the building blocks of some lipids
Life cycle of a moss (Polytrichum)
Four bacterial amino acid operons with attenuator control of transcription