No. The muscular opening is the anal sphincter, or simply, 'anus'. The part of the intestine that leads up to the anus is called the rectum. The rectum is more or less just a storage place until the intestine is ready to empty itself through the anus to the outside world.
Solid waste leaves the body through the anus, a muscular opening at the end of the gastrointestinal tract.
The anus is the opening through which fecal matter (feces) and some gasses are eliminated from the body.
The urinary bladder has a canal-like opening called urethra,through which urine is eliminated from the body.
The urine is filtered out of the blood in the kidneys, goes through the ureter to the bladder and then is expelled through the urethra and finally the urinary meatus. In females, it is the urethral opening anterior to the vagina.
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Waste is removed out the the rectum then out of the anus. The sphincter is what controls how much comes out at once. J.w
Undigested materials are removed through their mouth because they do not have an anus.
A volcano.
The muscular ring through which feces passes out of the body is called the anal sphincter. It consists of two muscle groups: the internal anal sphincter, which is involuntary, and the external anal sphincter, which is under voluntary control.
Solid waste is eliminated through the anus.