The thymus is the organ that regresses considerably with age.
thymus
The Thymus
It is responsible for protecting your body. The thymus produces T-lymphocytes (or T-cells), which protect your body against certain threats, including viruses and infection. The thymus also produces a hormone called thymosin, which helps in the production of the T-cells.
Around age either 12 or 13 as this is the age LTS stopped affecting kids
Liver
The organ donor does not have to be the same age as the organ receiver. Whether or not a person can donate an organ depends on physical condition,
Heart
thymus
It depends on a few things. If you are talking about pipe organs, like ones you have seen in churches or some concert halls, then without doubt organs are considerably bigger than pianos. However, there are digital organs, and digital keyboards with organ sounds, and many of these will be considerably smaller than the largest grands.
He Regresses
Neutering, from the Latin neuter (neither), is the removal of an animal's reproductive organ, either all of it or a considerably large part of it
anyone can be an organ donor, age is not a barrier, different countries will have their own regulations
Before six months of age, they become irritable, stiff, and rigid. They may have trouble eating and may have seizures . Development regresses leading to loss of mental and muscle function
whenever they want to
Just be careful your hand phone doesn't touch you inappropriately.
The Ear Plug Helps determine the age of a whale.
He was an organist (organ player)