Kidneys are a part of what system?
allow growth excretory respiratory organ complex storing water endocrine circulatory
A B C D E F G H
Excretion begins with the kidneys.
kidneys make up the excretory system.
Kidneys are a part of what system? (A) allow growth (B) excretory (C) respiratory (D) organ (E) complex (F) storing water (G) endocrine (H) circulatory