ANATOMY

Detailed explanation-1: -Urine contains: water. urea, a waste product that forms when proteins are broken down. urochrome, a pigmented blood product that gives urine its yellowish color.

Detailed explanation-2: -The process of excretion is called urination and it is excreted through the urethra. Urine primarily consists of water (95%), including organic solute like urea (2.5%), and other wastes (2.5%) such as enzymes, hormones, fatty acids etc. Hence the statement is incorrect.

Detailed explanation-3: -Historically, urine has been viewed primarily as a waste product with little biological role in the overall health of an individual. Increasingly, data suggest that urine plays a role in human health beyond waste excretion.

Detailed explanation-4: -The kidney and urinary systems help the body to get rid of liquid waste called urea. They also help to keep chemicals (such as potassium and sodium) and water in balance.

Detailed explanation-5: -The urine consists of 95% water, 2.5 % urea and 2.5% other waste products. Urea is the major excretory product in humans. Extra salts are removed along with water as sweat.