You can stand up for the one who gets bullied and just say NO. tell a teacher or a parent or any trustful people
In the pulmonary loop, deoxygenated blood exits the right ventricle of the heart and passes through the pulmonary trunk. The pulmonary trunk splits into the right and left pulmonary arteries. These arteries transport the deoxygenated blood to arterioles and capillary beds in the lungs.
I am going to assume you are talking about emotion. If that is the case then it's better to let it all out, let the wall fall.
A home gym would be the best option, most public gyms don’t have a pool. but personal trainer also makes sense too