Why does the function of the hormone oxytocin in the progression of labor during childbirth illustrate a positive feedback mechanism

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

Iwanna go do something with my ideas? ?