The main purpose of the system is to distribute blood throughout the body.

Why are people more likely to marry individuals with social and cultural backgrounds very similar to their own? a. parents and other family members always exert pressure to marry within the group. b. people spend a great deal of time alone, and therefore can have few opportunities for meeting people. c. people develop irrational fears of out-group members and are scared to date them. d. people have greater access to individuals like themselves.

Plz 20 ! in a citizens elect the president as head of government separately from the legislature? a: parliamentary democracy b: communist state c: presidential democracy d: autocratic state

An individual who is experiencing a prolonged period of stress would likely have levels of circulating than an individual who was not experiencing stress.