Answer:
This is the answer of your question.
Answer:Grief can be exhausting and this may weaken the immune system, making people prone to colds and illness.
Explanation:It is common to cry a lot, and feel incredibly sad. Some people never cry at all, but this doesn't mean they are not grieving. There is likely to be initial shock and disbelief as well as a range of feelings, including numbness, a sense of unreality, anger, loneliness or guilt.
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.
