Evaporation and transpiration since the suns energy causes this phenomenon
are there answers your supposed to choose from?
There is really no change in cardiac output, there is increased heart rate and a decrease in systolic volume.Although, it is common that after donating blood, vasovagal syncope occurs.
This is basically that the body reacts to de lack of volume, the brain detects an stimulator effect on the vagus nerve, lowers the heart rate and the person feels dizzy or falls, without major consequences.
I don’t know if i’m correct or not but i think it’s a glycan cross-linkage
