Answer:
Explanation:
The most common heart problems that cause chest pain include: pericarditis – which usually causes a sudden, sharp, stabbing pain that gets worse when you breathe deeply or lie down. angina or a heart attack – which have similar symptoms but a heart attack is life-threatening.
B. I think, Ik it has something to do with DNA and genes
It is important to them to improve the heath of Americans over the next ten or so years.
Answer:
true
Explanation:
you break the food down with your mouth to start digestion
The nucleolus,the RNA,the DNA,and the protiens