Usage patterns
内臓が弱いto have weak internal organs
My grandfather has always had weak internal organs, so he's careful about his diet.
内臓に負担をかけるto put a strain on one's internal organs
Drinking too much alcohol puts a strain on your internal organs.
内臓を摘出するto surgically remove an internal organ
The damaged organ was surgically removed during the operation.
内臓を痛めるto damage/hurt one's internal organs
The extreme diet ended up damaging my internal organs.