Answer:
A closed circulatory system can have a single or double circulatory pattern. Fish have a single circulatory pattern, wherein the blood passes through the heart only once during each complete circuit. Oxygen-deprived blood from the body tissues comes to the heart, from where it is pumped to the gills.
Step-by-step explanation:
i looked it up
Answer:
36
Step-by-step explanation:
Since they falls 108 feet in 3 seconds the amount they would fall in one second would be 108/3. 108/3=36
<span> a=2.5b-11, c=1.5b+1, and a=c so
2.5b-11=1.5b+1
b=12 so a=19 and c=19
so a+b+c=50 </span>
Sixteen million one hundred seven thousand three hundred and twenty