You are presented with the question "The what blood is highest in arteries and lowest in veins?" and the following answer choices: 
- ligt
 - humans
 - sugar
 - liquid
 - glucose
 - CO 2
 - force
 - Man

Now knowing that blood pressure is highest in arteries and lowest in veins and blood Pressure Blood Pressure Blood pressure is the force of the blood on the artery walls, choose the best answer.


 

       force  