Answer:
There is no short answer.
Explanation:
The effects of having a hole in the heart and it's initial effect of the oxygenated and the deoxygenated blood mixing, can cause shortness of breath, less energy during any physical activity since the amount of oxygenated blood going to the lungs is lower. This also can be heard with a stethoscope when listened.
I hope this answer helps.
What exactly are you trying to ask ??
Sweat, mucus, tears, and saliva all contain enzymes that kill pathogens.
Answer : Hydrogen.......: