Answer:
D) four.
Explanation:
The two atria hold the blood that circulates away from the heart. The heart has four one-way valves, which open and close with each heartbeat. The tricuspid valve and the mitral valve are located between the atria and allow the blood to flow from the atria to the ventricles. Also you don't have to but mind marking Brainliest?
Answer: Fitness training balances five elements of good health. Make sure your routine includes aerobic fitness, strength training, core exercises, balance training, and flexibility and stretching.
Explanation:
When the blood gets to the capillaries it feeds the whole body nutrients and holds back waste materials so it isn't spread through our body.
Unsaturated fats are good for you and the polyunsaturated are unhealthy.
examples of unsaturated fats are soybeans, walnuts and fish , and polyunsaturated food examples would be corn oil, safflower oil, soybean oil.
False. All tobacco products can have serious negative consequences. For instance, cigars and pipes also enhance the risk of developing certain cancers or heart disease, while chewing tobacco increases the risk of mouth cancer. No form of tobacco consumption is without risk.
