List the two vital functions of kidneys.

Kidney:

• The organ present in the abdominal region as a pair with a bean-shaped appearance is the kidney.
• It appears to have a reddish-brown color.

Functions:

• The kidney contains nephrons that remove the toxic wastes from the blood and produce a fluid called urine that can be released from the body.
• It also balances the level of electrolytes, fluids, and minerals in the blood by removing their extra amount through urine.
• The kidney also liberates certain hormones that are involved in regulating blood pressure.