Cardiovascular fitness exercises strengthen the heart and lungs.
Cardiovascular exercises basically consist of activities that will get your heart rate up. Doing so, it will strengthen your heart along with your lungs due to the increase of your heart rate.
I’m not really sure, but I think it’s B
Viruses are very small infectious agents that only replicate in living hosts.
D reacting quickly to frustrating experiences. Brainliest pls ?
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