Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
An Orb-weaver spider, Family: Araneidae
Otter family
Toddler: 1–3 years.
Earth 150 Million Years Ago
X-linked recessive inheritance of red-green color blindness in a family