I would think b! Hope that helps
Answer:
Explanation:
Stay safe during hot-weather exercise by drinking enough fluids, wearing proper clothing and timing your workout to avoid extreme heat
Since there are no options listed to choose from, my best guess would be watches, since a lot of apple watch products are now sold with built in heart monitors.
Answer:
If you lose too much blood, your brain doesn't get enough oxygen to support life.Without treatment measures, your body will completely lose its ability to pump blood and maintain oxygen delivery once you've lost about 50 percent of your blood volume. Your heart will stop pumping, other organs will shut down, and you'll likely be in a coma.
Explanation:
The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide. These roadways travel in one direction only, to keep things going where they should.
three ways of how to take care of your heart are
Eat a heart healthy diet
If overweight, lose weight
try not to drink alcohol
