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Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

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.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Cuy being raised at home in the traditional Andean fashion Cuy being raised at home in the traditional Andean fashion
Spider-characteristics Spider-characteristics
Characteristics of an effective leader Characteristics of an effective leader
Despite the traditional focus on males, females actively choose mates and are the driving force in t Despite the traditional focus on males, females actively choose mates and are the driving force in t
Principal Characteristics of REM and Slow-Wave Sleep Principal Characteristics of REM and Slow-Wave Sleep
Characteristics of a protein-coding gene that can be used during annotation Characteristics of a protein-coding gene that can be used during annotation
Video: Egg and Sperm Formations in Animals Animation

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