The develops in the pregnant female as a source of nourishment and gas exchange for the developing fetus.
a. vagina
b. uterus
c. fallopian tubes
d. placenta

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance

What could happen if two base pairs on a strand of dna or switched