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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Unique markings identify individual humpback whales. Unique markings identify individual humpback whales.
Hip Typically occurs as a result of a fall; with osteoporosis, hip fractures can occur as a result o Hip Typically occurs as a result of a fall; with osteoporosis, hip fractures can occur as a result o
Careers in Physical Medicine Careers in Physical Medicine
Asomatognosia typically involves damage to the right parietal lobe. Asomatognosia typically involves damage to the right parietal lobe.
A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin A lesion called a plaque in the brain of an individual with Alzheimer disease. A ring of degeneratin
Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ... Harry and Gus fish the same lake together from the same boat. Each morning Harry typically ...
Video: Cerebral Cortex Animation

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