Answer:
The heart's main job is to pump oxygen-rich blood to the body after it pumps ... Together, the arteries and veins are referred to as the vascular system. ... It plays an important role in helping the body meet the demands of activity, ... of diseases or conditions dealing with the heart and vascular systems.
Explanation:
In case you want to go in to a work field consisting the body also so you can get a better understanding of it.
Body temperature, rigor mortis, and lividity.
Answer:
at the corner
at a designated crosswalk
Explanation:
You should cross the street only in allowed areas that are specified for the pedestrian. On the road, you are the most unsafe person as a pedestrian.
You should be aware of your surroundings and stay alert when crossing the street. You also maintain the eye contact with the drivers and wait until vehicles have stopped before you cross
In the middle of the road, it is not safe to cross the road. It does not matter if there is traffic or not that is always unsafe but you can on your own risk.
You should make sure all vehicles have seen you and will stop for you before proceeding.
