Circulatory Flashcards
(35 cards)
heart and blood vessels
cardiovascular system
lymphatic organs and lymph vessels
lymphatic system
what must be transported?
nutrients and fuels o2 and co2 intracellular waste immune defense agents blood clotting agents regulatory molecules (hormones)
transport via membrane and cytoplasm
protozoa
transport through sea water that enter oscia
sponges
transport with the gastrovascular canal
cnidarians (hydra)
transport with branching gastrovascular cavity
planarians (flatworms)
transport with coelomic fluid
rotifers, nematodes
cite of material exchange
cell membrane
intestine absorbs nutrients to blood
digestive system
gases go from lungs to blood
respiratory system
water > urine
excretory
hemolymph pumps from heart to bathe body cavity
open CS
what animals have an open circulatory system?
insects, arthropods, mollusks, echnioderms
open CS have ____ volume, ____ pressure, ____ circulation
high volume, low pressure, slow circ
blood flows from heart to well-defined tubular vessels
closed circulatory system
what animals have a closed circulatory system?
earthworms, large arthropods, squids, octopi, vertebrates
closed CS have ____ volume, ____ pressure, and ____ circulation
low volume, high pressure, fast circ.
have 2 heart chambers
fishes
have 3 chambers (one ventricle)
amphibians
have 4 chambers
mammals
4 chambered hearts have a double pump that ____ oxygen rich and oxygen poor blood, and have a ____ pressure
separate, high
selective force that protects organism and efficiency of predation
large body size
warm-blooded, can colonize more habitats
endothermy
