Delays with speech and language skills can include: 1  Being later to begin to use words to communicate. 2  Being later to combine words into sentences. 3  Having more difficulty following instructions than others of the same age.
Diference between frog and human digestive system is that the frog have cloaca instead of anus in human being.
The primary difference between ruminants and simple-stomach animals (called monogastrics), such as people, dogs, and pigs is the presence of a four-compartment stomach. The four parts are the rumen, reticulum, omasum, and abomasum. Often it's said that ruminants have four stomachs.