In some cases of head injuries, the cerebrum may be affected. This type of injury could cause a loss of ___A___ and impaired ___B___ A. breathing regulation
reflexive movement
voluntary movement

B. heart rate
involuntary movement
speech

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

Amouse that is homozygous for the dominant trait has the genotype . it has . a mouse that is homozygous for the recessive trait has the genotype . it has . image of fur color of mice

Which beat describes the brain stem