It means that they didn't get along. Most likely something happened and the two parties are angry with each other.
The right ventricle has deoxgenated blood in it if that is what you mean by "bad blood". The left ventrical has oxgenated blood in it, or what you mean by "good blood"
To stir up bad blood means to be a bad role model to others by doing bad things.
If you mean a good kind of blood clot, Vitamin K is required. If you mean bad blood clot, I don't know.
There's no bad blood between our countries.
If you mean 5.18M, then no.
There is no proof of it but there was bad blood between them
You probly have bad blood flow to your legs
The match between HHH and HBK at Bad Blood 2004 lasted for about 46-48 minutes
Its not bad, it might mean they are too cold, something is wrong w/ them or you are abusing them.
Menstrual blood is a mixture of blood and uterine lining tissue, which is not found in regular blood.
This sort of thing usually refers to Blood Pressure. Systolic vs Diastolic blood pressure, or, pressure of your blood when your heart is beating and between beats. Whether 112 over 58 is good or bad depends on your age, sex, and fitness.
If you mean parasitism, yes, there are plenty of that around. Example of this is the symbiotic relationship between a tick and its host. While the tick benefits by the blood it receives, the host mammal loses blood, and is often becoming infected by the contaminated tick.