Which brain area is most responsible for movements that require aim or timing?

Rubella is

the researcher who was the first to scientifically study teratogens. another name for German measles. the tissue mass connecting the embryo to the umbilical cord. the most common birth defect in the United States.

Human beings have ______ chromosomes in normal developmental cases

a) 13 b) 23 c) 32 d) 46