The tricuspid valve is situated between the right atrium and right ventricle.
The pulmonary valve is between the right ventricle and the pulmonary artery. The mitral valve is between the left atrium and left ventricle.
Exposure to radiation and toxins. This is because the radiation can basically fry the sperm causing many reproductive issues in men.
STDs are infections spread from person to person during sexual contact.
Answer: Cornerback. Cornerback is the hardest position in football, and one of the toughest jobs in all of sports. Corners are some of the smallest men on the field, but typically the most athletic
Explanation: im not
