Answer:
Your A
answer is: C. <em>To </em><em>maintain</em><em> </em><em>normal </em><em>heart </em><em>rhythm</em>
Explanation:
A pacemaker signals the heart to beat when the heartbeat is too slow or irregular. A pulse generator is a small metal case that contains electronic circuitry with a small computer and a battery that regulate the impulses sent to the heart.
Routine activities are the type of activities we do everyday. keyword: routine.
The answer to this question is D. Colon
According to popular belief, Most medical workers think that the colon does not possess any form of digestive system.
But, Recent research shows that several test subjects actually could absorb energy from starch and nonstarch polysaccharides from their colon
