▼ When you say the flesh, the bone, and the bloods....are there words like blood cells, you add one word cell behind it, but it is a blood?

 Correct. They are all the cells made from, the muscle cells, the bone cells, the blood cells.

And there is a blood vessel?

The blood vessel, contains the blood to flow to every part of the body, to reach the flesh, bones, and the organs, brains, foot.

Is there anywhere the blood does not go to?

They don't go to inside the GI track like your mouth, your nose, your skull.

And if they are?

Its called the internal bleed.  內出血