I’m not 100% this is true but usual people who do drugs or drink alcohol as a diction so sexual intercourse can be taken in attic‘s mines as a addiction comment if you don’t understand please mark me a Brainlyist
Basically the main function of both of these has to do with blood. Arteries are important because they move blood away from the heart. Veins do the opposite of arteries and actually return blood back to the heart! They are both very important for the body.
Bloodletting is the process of removing some parts of the blood and most commonly done for therapeutic reasons. But when bloodletting that is done by leeches, it is definitely not a good technique as this could bring more harm than good to the person.
The best plan would be to begin swimming three days a week 15 minutes, aiming to complete 10 laps.
For anyone starting a new exercise/activity it is important to get your body accustomed to the activity at a steady pace otherwise you will overwork your body and cause harm. Also because it is an activity that you are not confident in doing you need to practice and see if is in fact something you enjoy doing.