Females are born with all the ovum they will ever have.
A.
True
B.
False

Ithink it's traditional 

Because it spreads quickly 

According to the lesson, how many categories of stressors are there? your answer would be 2.

A. loop 1: lungs, blood vessels, lungs; loop 2: body, blood vessels, bodyb. loop 1: lungs, heart, lungs; loop 2: body, heart, bodyc. loop 1: blood vessels, lungs, blood vessels; loop 2: blood vessels, body, blood vesselsd. loop 1: heart, lungs, heart; loop 2: heart, body, heart