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Blood vessel on the bottom of a worm Blood vessel on the bottom of a worm
The ventral nerve cord makes up nearly all of the nervous system in the earthworm. It goes from the anterior (front) end to the posterior (back) end. It's function is simple; it's the nerves in the worm! If dissected, the nerve cord looks like a thin white line on the ventral (belly) side on the inside of the skin.
yes!
Supplys the ventral side with blood
Yes!
the transport blood throughout the worm
Yes!
They are setae. They help the worm move, like little legs.
The median dorsal vessel on a worm carries the blood to the anterior end of the worm, while the median ventral vessel carries the blood to the posterior end of the worm.
Yes
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function , purpose , advantage and disadvantage of worm gear