circulatory systems

[xOpolskasoccerOx]

describe the benefits and limitations of a two-chambered heart (compared to worms' one chambered heart) and a single loop circulatory system compared to 3 of 4- chambered hearts and a double- loop circulatory system.

[dr. dugmore]

homework?




?

[david23]

if i tell u that u need 2 chambers for bigger organisms like humans would u be satisfied? or do you want me to write in a long paragraph so u can turn in.