D. Growing and reproducing
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Answer:
A abnormally high level of blood pressure for a long period of time can cause arteries especially in and out of heart to harden and thickens (usually these conditions gets worse with age, obesity or high levels of cholesterols). This builds up a resistance in blood flow and ultimately when the blood flow stops, this causes a heart malfunction called as stroke or a heart attack that results in major heart tissue damage. This can also result in other complications like aneurysm etc...
They come from crementation which is when disolved minerals are deposited in tiny spaces...
Answer:
the saliva in our mouth contains bacteria
the soap we use to bath contains bacteria
bacteria protects us from infections in o genitals especially in women
there is bacteria in our stomach that aids digestion