Can animal blood be eaten at all? Did the lungs detoxify after eating black stool? Tell you the truth

Can animal blood be eaten at all? Did the lungs detoxify after eating black stool? Tell you the truth

My friend, what would you like to eat for lunch today? I'll go buy some and cook it for you at noon. "66 year old Zhang asked his wife this morning before going to the vegetable market to buy groceries...