chapter 13 Flashcards
peristalsis?
the rythmic, wavelike contraction of muscle
hemoglobin
a pigment that combines with oxygen
nephridia?
open ended tubules that function in excretion
clitellum?
a smooth and enlarged segment found about one-third of the way along the body of oligochaetes
dorsal?
the upper side or back of an animal,plant,or organ
ventral?
the underside of an animal or plant
anterior?
near the front (head)
posterior?
near the rear(butt)
malpighian tubules?
tubelike structures that are involved in excretion
photoreceptors
sensory receptors that detect light energy
hemocoel
an open space or body cavity
tracheal system
a branching series of tubes that conducts air to the cells of insects
incomplete vs complete metamorphosis
incomplete=egg,nymph,
adult
complete= egg,larvae,pupa,adult
how does the vascular system work?
like a hydraulic pressure system
what are mesentaries?
loose connective tissue that suspend the internal organs in their proper position
