There are animals who have "poo glands", humans don't.
Yes you can! It is very painful for your rectum and you cannot poo for the rest of your life. You have to get the porridge surgically removed
Lots of people live without thyroid glands, but they have to take synthetic thyroid. Typically the glands aren't surgically removed, they are killed with ingested radioactive iodine.
Patients with more advanced hyperparathyroidism will usually have all or half of the affected parathyroid gland or glands surgically removed
Yes
Surgically.
yes
yes it can, it has to be surgically removed.
No, ribs do not grow back if surgically removed. Unlike certain tissues in the body, ribs are bones that do not regenerate after being surgically excised. Once removed, the body may adapt to the absence of the rib, but the bone itself will not reappear.
Appendix
The uterus can be surgically removed through either the vagina or the abdominal wall.
Nobut you can get a tattoo surgically removed.
No; lymph nodes can be surgically removed.