Answer:
The cardiovascular system consists of the heart, blood vessels, and blood.
This system has three main functions: Transport of nutrients, oxygen, and hormones to cells throughout the body and removal of metabolic wastes (carbon dioxide, nitrogenous wastes).
Answer:
Attack rate is calcu
Explanation:
Attack rate is calculated using the formula below;
Attack rate = total number new cases
___________________ x 100
total population
For community A, attack rate = 486/892 = 0.5448
0.5448 x 100 =54.5 %
For community B, attack rate = 208/10000 = 0.0208
0.0208 x 100 =2.08 %
