<span>When a person smokes a cigarette, the body responds immediately to the chemical nicotine in the smoke. Nicotine causes a short-term increase in blood pressure, heart rate, and the flow of blood from the heart. It also causes the arteries to narrow. Carbon monoxide reduces the amount of oxygen the blood can carry. This, combined with the effects produced by nicotine, creates an imbalance in the demand for oxygen by the cells and the amount of oxygen the blood is able to supply.
So the answer is D. increased heart rate</span>
Migration is affected by various factors like age, sex, marital status, education, occupation, employment etc. People migrate to those places where they have better facilities of health services, educational services, transportation and communication and the life is easier.
B. Talk to a trusted adult!
They have more experience and would know what to do before things got out of hand!
(Edit): Forgive me, I did not see the part where it said to choose three
Answer:
D. Since she has returned from war, Regina has been having nightmares and is startled by every sound, believing she is in imminent danger.
Explanation:
Post traumatic stress disorder (PTSD) is a condition that is experienced by someone who has undergone some sort of trauma. The trauma could be something that they have witnessed or experienced themselves, like natural disasters, war, or a serious accident.
Although not all people come out of a traumatic event with PTSD, those who do are those who are not able to or having difficulty with coping and adjusting to life after the trauma.
Symptoms and intensity of the symptoms vary depending on the trauma they experienced and the general mental health of the person. Some of the most common ones would be avoidance, anxiety, night terrors, and the like.