Valves ensure blood flows toward your heart. Vein valves work to bring the blood that flowed down via arteries back up to your heart.
The method of virus transmission which results in a greater spread of disease is through airborne transmission
Answer:
a,c,d
cause edgenute
uh, yeah! have a good day!
Answer:
b
Explanation:
they chose the best tomatoes to make even better ones
