As nicotine enters the the arteries constrict and the blood platelets become sticky and cluster together.

answerbloodstream;

c. movement because i took the test and it lets me review my answers

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )