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We have hearts, lungs, digestive systems, and brains.
Frogs have circulatory systems that are very similar to that of humans so veins are used for the samepurposes and are needed anywhere where blood circulation is required.
yes frogs have a similar internal anatomy to humans
Frogs have a heart that has 3 chambers, and worms do not. Worms exchange gas from their blood through their skin, but frogs are not able to do this. Frogs have the same type of respiratory system as humans.
yes i think
Frogs have smaller bones then humans.
A frogs pharynx is twice the size of a humans
Rats have similar bodily systems and organs to humans, and react in very similar ways.
I have heard that a frogs glottis is larger than a humans...
Frogs and humans both belong to the phylum Chordata.
Some dont have any at all but most have closed cirrculatory systems.
Frogs do not. Only mammals