Answer:
Pumps blood through the pulmonary circuit (provides gas exchange) to the lungs and back to the left heart. ... Pumps blood by the systemic circuit to all body tissues and back to the heart.
Explanation:
Answer:
D
Explanation:
A is correct because a risk could be good or bad. For example, entering the lottery is a risk because you could lose a lot of money but a small group of people make a lot of money from winning the lottery.
B is correct because when someone enters the lottery, they do not know their outcome until later.
C is correct because speeding is risky because it is easier to loose control of the car when driving fast.
Answer is bottom front teeth
Reason
Firstly, this area is a difficult spot to clean, especially if the head of your toothbrush is bulky. It is very easy to skim over, leaving plaque behind. Also, there are saliva ducts present on the floor of the mouth, adjacent to these teeth, so saliva is continually bathing this area.
