Answer:
The negative effects are much greater for older adults who have lost a spouse than other older adults who have not lost spouses.
Explanation:
The effects are felt much greater for older adults who have lost a spouse due to it being compounded on the grief that the older adult is feeling from the loss of their spouse. Also the absence of the spouse brings forth a sense of loneliness and a loss of companionship, thus further amplifying the negative effects being inflicted.
The neuron releases chemical messengers. Otherwise, there would be no 'signal transduction' in the postsynaptic cell. So, your answer is B.
Answer: Like with fingerprints, no two people have the same brain anatomy, a study has shown. This uniqueness is the result of a combination of genetic factors and individual life experiences.
Explanation: An example is the heart's circulatory system, where the vessel supplying blood to the posterior part, known as posterior descendant artery, stems from the right coronary artery in 80-85% of the cases, and from the left coronary artery in the remaining 15-20%. This is known as either right of left dominance
Answer:Cells have many structures inside of them called organelles. These organelles are like the organs in a human and they help the cell stay alive. Each organelle has it's own specific function to help the cell survive. The nucleus of a eukaryotic cell directs the cell's activities and stores DNA.
