Pollution
Pollution wether it’s chemical or from trash can lead to many defects in the body. Pollution can cause harm to the lungs specifically by getting air trapped in the alveoli
Well with blocked vessels, lets use plaque buildup as the reason for blocked vessels. It's Like trying to match together two puzzle pieces that don't fit. The piece if forced together, will be a tight fit much like how blood cells/platelets trying to fit through a small area. The pressure will be increase because the more pressure that is being put on will help to push blood through a clotted area.
That would be 2 it goes into all those numbers
Round worms can as my vet said that putting a fecal sample with those worms wont harm them
Its a. So its true. Good luck!