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7. STRUCTURAL ORGANISATION IN ANIMALS

The structural organization of animals emphasizes the division of labor across cells, tissues, organs, and organ systems to ensure survival and functionality. In multicellular organisms, basic tissues combine to form organs that conduct specific functions. Frogs, as members of the class Amphibia, serve as an example to understand organ systems, including their distinctive morphology and anatomy, which are essential for their survival in varied environments.

Sections

STRUCTURAL ORGANISATION IN ANIMALS

This section discusses the arrangement of cells, tissues, organs, and organ systems in multicellular animals, focusing on the morphology and anatomy of frogs.

7 Section Overview

Start current section content and materials

7.1 Organ and Organ System

This section explains the organization of cells, tissues, organs, and organ systems in multicellular organisms.

7.2 Frogs

Frogs belong to the class Amphibia and exhibit unique adaptive features for life both on land and in freshwater.

7.2.1 Morphology

This section details the morphology of frogs, focusing on their external features and adaptations to their environment.

7.2.2 Anatomy

The anatomy of frogs encompasses various organ systems, including the digestive, circulatory, respiratory, nervous, excretory, and reproductive systems, showcasing their adaptation as amphibians.

7.3 SUMMARY

This section summarizes how cells, tissues, organs, and organ systems work together in complex animals like frogs, illustrating their structural organization and functionality.

7.4 EXERCISES

This section provides exercises focusing on understanding frog anatomy and function.

Learning Objectives

  • Cells, tissues, organs and organ systems ensure survival through a division of labor.

  • Frogs possess distinct morphological and anatomical features that allow them to thrive both on land and in water.

  • The organs of frogs include well-defined systems for digestion, circulation, respiration, excretion, and reproduction.

Key Concepts

Tissue

A tissue is a group of similar cells along with intercellular substances that perform a specific function in the body.

Morphology

Morphology refers to the study of the form or externally visible features of organisms, particularly in the context of their organs or body parts.

Anatomy

Anatomy is the study of the internal structure of organisms and their parts.

Amphibia

A class of animals that can live both on land and in water, characterized by their ability to breathe through skin (cutaneous respiration) and lungs.

Practice Exercises

Total Questions

2

Estimated Time

4 min

Passing Score

70%

Instructions

  • Read each question carefully
  • You can use hints if you need help
  • Complete all questions before submitting