The answer is A closed wound should heal in a few weeks.
One of the main reasons why life expectancy dramatically rose in the past century was due to different factors. One that surely contributed to them was better access to medical equipment and medical advances themselves. As well as better nutrition that was available to the common person.
I think C but I might be wrong
Answer:
Heredity.
Explanation:
When genetics are passed from one generation to the next, this is heredity.
The heart is divided into four chambers. Hope this helps!