血液 (xuè yè): เลือด

The doctor drew a little blood from the patient's arm and sent it to the lab for testing.

During exercise, the heart beats faster and pumps more blood to the muscles throughout the body.

While climbing, he accidentally cut his hand, and blood dripped onto the snow; his teammate quickly took out a first-aid kit and bandaged him.

After testing, the doctor found that his white blood cell count was high, indicating a possible inflammation in his body.