C, the heart. The heart is a super muscle that is controlled involuntarily by the brain and beats at a medium rate. with each beat the heart pulls blood in and out of arteries, which then rushes through the arteries and into veins. The veins the pass the blood cells containing oxygen past muscles containing cells that need the oxygen to function, and the cycle repeats.
Around the 16th week of conception
Have a buddy to attend with him, remind him it is a safe environment. Tell him his peers are not judging him, it is a place for those with the same disorder he has.
Hope this helps!
Answer:
I THINK ITS THE THIRD ONE
Explanation:
Within just 8 hours of quitting smoking, your body's oxygen levels will increase and your lung function will begin to improve. As your lungs begin to heal, you may feel less short of breath, cough less and find it easier to breathe in the coming weeks and months after you quit.
I can answer half of that question. New neurons are important because they die everyday and if new ones weren't made we would lose all of them in our bodies