Question

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Answer 1

1)Researchers have discovered that not excreting properly affects not only the digestive system, but also the body as a whole. Some of the complications associated with going too long without pooping include: Fecal impaction. A fecal impaction is a hard piece or pieces of stool that make the stool extremely difficult to pass.

2)Each kidney is made up of more than one million microscopic and thin tubular units called nephrons or uriniferous tubules. Hence nephron is known as the structural unit of the kidney. ... Hence it is known as the functional unit of the kidney.

3)The internal urethral sphincter regulates involuntary control of urine flow from the bladder to the urethra, and the external urethral sphincter provides voluntary control of urine flow from the bladder to the urethra.

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