The most important muscle in the bladder is the detrusor muscle. In normal circumstances, when the bladder fills with urine, it can stretch to hold the urine. When the volume in the bladder reaches close to 300 cc, the stretch in the wall of the bladder can trigger a nerve response to initiate urination (micturition).
by Sandi Ackerman. .A rabbit's diet should be made up of good quality pellets, fresh hay, (alfalfa, timothy or oat), water, and fresh vegetables. Anything beyond that is a treat and should be given in limited quantities. Pellets should be fresh, and should be relatively high in fiber (18% minimum fiber).
Best Answer: Adult rabbits need a grass hay such as timothy hay. Young rabbits can also eat alfalfa. I can get a bale of timothy hay from the local feed store for 6 dollars, and it lasts me quite a while with three guinea pigs and a rabbit.In contrast, bagged hay from pet stores costs 6 dollars for about a 4 day supply.Source(s): can get a bale of timothy hay from the local feed store for 6 dollars, and it lasts me quite a while with three guinea pigs and a rabbit. In contrast, bagged hay from pet stores costs 6 dollars for about a 4 day supply.