Answer:
Regular physical activity can improve your muscle strength and boost your endurance. Exercise delivers oxygen and nutrients to your tissues and helps your cardiovascular system work more efficiently. And when your heart and lung health improve, you have more energy to tackle daily chores.
Answer:
Create an air gap to prevent backflow.
Explanation:
An air gap prevents contamination of the water because it creates a space between the water outlet and a contaminated source. So, if there is, for example, a decrease in the pressure that pumps the water to the faucet, the water the air gap will prevent the contamination of potable water and the cause of different illnesses.
<span>The answer is letter D. <span>
<span>The best
time to exercise differs for each individual. Some people are more active in
the mornings than in the afternoons because the body is well rested from the
good night's sleep. Others find it more energizing to work out in the later
afternoon after all the tasks for the day has been accomplished because they
seem to find that exercise reduces stress. Others choose different parts of the
day for their workout to fit their schedules. There is actually no known best
time to work-out, what matters is individuals find the time to engage in
physical activity to maintain a healthy lifestyle.</span></span></span>
The digestive system. It stores bile, which comes from the liver above it.
Answer: Yes the ozone layer sits at the top to protect us from harmful UV rays from the sun.
Explanation: