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Hearts: a hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood

Ganglion: A network of cells forming a nerve center in the nervous system of a brain.

Brain: Central nervous system of your body.

Reproductive Organs

  • Sperm receptacles: On segments 9 and 10 there are two minuscule sacs where, during earthworm sex, sperm are deposited.
  • Ovary: where eggs are laid and stored until the mature.
  • Oviduct: The tube through which an ovum or egg passes from an ovary.
  • Sperm duct: Carries sperm from the testis to the urethra.

pairs of bristles: spaced tufts of bright white bristles located along the worms sides. These tufts are very easily seen, but more to the point, they are also detectable by tactile means.

segments: Grooved parts of a worm

coelom: the space within the body wall.

excretory organ: an organ that separates waste substances from the blood and discharges them.

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12y ago

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