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2006-09-28 17:29:02 · 4 answers · asked by sexykees 1 in Science & Mathematics Biology

4 answers

Jan Swammerdam (February 12, 1637 - February 17, 1680), a 21-year-old Dutch microscopist, is thought to be the first person to observe and describe red blood cells in frogs blood in 1658.

Jan was a male, not a female. Most of his work was with insects.

2006-09-28 17:44:53 · answer #1 · answered by Richard 7 · 69 0

Dr. Alfred Red, Dr. John Blood, and Kevin Cells M.D.
in 1604.

2006-09-29 00:36:09 · answer #2 · answered by Anonymous · 0 1

Don't laugh; it was Jan Swammerdam who first described them in 1658.

2006-09-29 00:33:31 · answer #3 · answered by Anonymous · 0 0

not me

2006-09-29 01:04:38 · answer #4 · answered by Stan the man 7 · 0 0

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