Question

a)what are arrows a and b pointing to? b)what organ system do they belong to? c)what is the main function of this system? human male with arrow a pointing to a pair of organs in abdominal cavity and arrow b pointing to an organ in the pelvic cavity (showing organs in the abdominal and pelvic cavity). a)spleen b)rectum; digestive sys; digestion and absorption of food a)kidney b)rectum; urinary and digestive sys; digestion and excretion of wastes a)kidney b)urinary bladder; urinary sys; excretion of wastes a)inferior vena cava b)uterus; cardiovascular & reproductive; oxygen transport and procreation.

Explanation:

Arrow A points to the kidneys which are part of the urinary - system and are responsible for filtering waste from the blood. Arrow B points to the urinary bladder which stores urine. The main function of the urinary system is the excretion of waste products from the body.

Answer:

A. Kidney; B. Urinary bladder; Urinary sys; Excretion of wastes