I would say this would be the second one or maybe the last one , hope this helps !
Answer:
Respiratory
Explanation:
It provides oxygen that is necessary for the heart to pump blood to the body. It also provides oxygen for the brain to work
An advantage of the syringe method is that blood appears in the hub when the vein has been entered.
Yes because when you want something to be perfect you tend to try and imagine it beforehand so you know what to do perfectly and if you mess up you can imagine punching the person who messed you up :)
Answer:
The answer is Positive to Positive, Negative To Ground
Explanation:
