Non-infectious or non-communicable diseases are not able to be spread from one person to another.
Answer:
m
Explanation:
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It's D. Stretching opens up arteries. This makes blood more able to get through and lowers blood pressure. Stretching makes your muscles ready for an exercise. Improved circulation is just like lowering blood pressure because it opens up arteries, veins, and capillaries. D is wrong because stretching doesn't make your heart stronger. I hope this helps! :)
Someone with Emphysema will usually be diagnosed with COPD ( Chronic obstructive pulmonary disease) This means their air sacs in there lungs are damaged and the inner walls of the the lungs are weakened and cause larger air spaces. This disease commonly causes bronchitis frequently, hard time breathing , lower immune system.
Answer:
In this scenario, the green light is a(n) <u><em>signal</em></u>.
Explanation:
In the above scenario, with time, the pigeon has learnt that he will be rewarded only when the green light is on. Such a condition is known as learned behaviour. In the future, the pigeon will only peck the button when the green light is on because he will know that he will be rewarded for pecking the button only when the green light is on. Hence, the green light is the signal for the pigeon to start pecking the button.