Organ and Organ System — Prelims Questions

Which of the following statements about the respiratory system of a Cockroach is correct?

Which of the following organs in a Frog is part of both the digestive and endocrine systems?

Which of the following statements correctly describes the circulatory system of an Earthworm?

Which of the following represents the correct hierarchical order of organization in a multicellular animal?

Malpighian tubules are the excretory organs in which of the following animals?

Which of the following is an example of an organ system primarily responsible for maintaining the internal fluid environment and removing metabolic wastes?