객관식
Which of the following is not part of the hepatic portal system?
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
객관식
In which part of the worm's body are most of its internal organs located?
A
Anterior segment
B
Clitellum
C
Coelom
D
Posterior segment
검증된 단계별 안내1
Understand the anatomy of a worm: Worms, such as earthworms, have a segmented body structure. Each segment is separated by septa, and the internal organs are distributed throughout these segments.
Identify the coelom: The coelom is a fluid-filled cavity within the body of the worm. It acts as a hydrostatic skeleton and houses most of the internal organs, providing space for organ development and function.
Recognize the role of the coelom: In worms, the coelom is crucial for the distribution of nutrients and waste products, as well as for the movement of the worm, as it allows for the expansion and contraction of muscles.
Differentiate between body segments: The anterior segment is the front part of the worm, containing the mouth and sensory organs. The clitellum is a thickened, glandular section of the body involved in reproduction. The posterior segment is the rear part of the worm.
Conclude that the coelom, which spans across multiple segments, is where most of the internal organs are located, providing a protective and functional environment for these organs.
