to pump blood
The pancreas of both the frog and the human produces a variety of digestive enzymes as well as hormones. However, the insulin produced by the frog is noticeably dissimilar from that produced by humans, so you can't use frog insulin for humans.
Human teeth are use for chewing and grabbing. Frogs have teeth on the top of their jaw. Frog teeth are use mainly to hold the prey.
== == Frog's reproductive organs are on the inside as where humans' are on the outside. Frogs have white hearts and humans' have red hearts. You can see a frog's esophagus through it's mouth and in a human's you can't. They are also different in size, obviously and shape too.
As it is similar in structure to human hearts and they are readily available whereas most humans are buried with their hearts.
The biggest threat to frogs is pollution. Avoiding the use of chemicals such as pesticides keeps them out of the frog's habitat, and lets frogs stay healthy. Also, protecting their habitat from human construction is important. If you have a yard, you can grow plants and create ponds to be a habitat for frogs.
probably because the "pigs" or "calf" heart is almost like the humans heart so they use heart almost or close to the human heart or maybe because the assignment says to use that specific heart "what I know from past studies is that the pig and calf is the same or almost exactly how the human heart is" hope that answered your question
Humans use lungs only, Frogs can "breathe" through their thin moist skin, through gills, and lungs
Yes, both frogs and toads have vocal sacs. These vocal sacs are like inflated balloons on the sides of their throats that help amplify and project their calls during mating season. The air that is pushed into the vocal sacs creates the distinct sound that we commonly associate with frogs and toads.
Some frogs use it for camoflage.
no
There is no use of THE in the sentence. FROGS HOP can be considered as correct too.
Frogs were used in the plagues.