객관식
Which germ layer forms the skeleton and most muscles during embryonic development?
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1. Introduction to Anatomy & Physiology
Levels of Organization
객관식
Which of the following lists examples of body structures from the simplest to the most complex?
A
Cell, atom, tissue, organ, molecule
B
Tissue, organ, molecule, cell, atom
C
Atom, molecule, cell, tissue, organ
D
Organ, tissue, cell, molecule, atom
검증된 단계별 안내1
Step 1: Understand the hierarchy of structural organization in the human body. The levels of organization progress from the simplest (smallest) to the most complex. These levels are: atom, molecule, cell, tissue, organ, organ system, and organism.
Step 2: Begin with the smallest unit, the atom. Atoms are the basic building blocks of matter and combine to form molecules.
Step 3: Molecules are formed when atoms bond together. Molecules are essential for cellular structures and functions, such as DNA, proteins, and lipids.
Step 4: Cells are the basic unit of life. They are composed of molecules and perform specific functions. For example, muscle cells contract, and nerve cells transmit signals.
Step 5: Tissues are groups of similar cells that work together to perform a specific function. Organs are composed of multiple tissues that work together to carry out complex functions, such as the heart pumping blood.
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