✯Hello✯
↪ I would assume its the respiratory system but just to make sure...
↪ which cells are you talking about?
↪ In most cases its the respiratory but I cant be 100% without knowing what cells
↪ Thanks :)
❤Gianna❤
Answer:
The track was not level and was tilted slightly downward.
Explanation:
The track was not level and was tilted slightly downward.