Body Org

Which sequence correctly represents the levels of structural organization from simplest to most complex?

• Tissue → Cell → Organ → Organism → System

• Cell → Tissue → Organ → System → Organism

• Chemical → Cell → Organ → Tissue → System

• Chemical → Cellular → Tissue → Organ → System → Organism

Tags

NGSS.MS-LS1-3

The smallest living unit of structure and function in the human body is the:

• Atom

• Cell

• Tissue

• Molecule

Tags

NGSS.MS-LS1-1

Two or more tissues that work together to perform a specific function form a(n):

• Organ

• Organism

• System

• Cell group

Which example best shows all levels of structural organization within the respiratory system?

• Lung → diaphragm → bloodstream

• Cell → alveolar tissue → lung → respiratory system → organism

• Tissue → organ → muscle fiber

• Trachea → blood cell → organism → neuron

Tags

NGSS.MS-LS1-3

Which of the following are considered body systems?

• Circulatory

• Skeletal

• Connective

• Nervous

Tags

NGSS.MS-LS1-3

Which best explains how levels of organization support homeostasis?

• Cells work independently to maintain balance.

• Organs function separately without interacting with systems.

• Tissues and organs coordinate to keep internal conditions stable.

• Systems only regulate external conditions.

Tags

NGSS.MS-LS1-3

Groups of similar cells that perform a specific function are called ____________.

Tags

NGSS.MS-LS1-3

Which tissue type covers body surfaces and lines internal organs?

• Muscle

• Nervous

• Epithelial

• Connective

Which tissue type is responsible for movement because it can contract?

• Epithelial

• Muscle

• Connective

• Nervous

Blood, bone, and fat are all examples of:

• Muscle tissue

• Epithelial tissue

• Nervous tissue

• Connective tissue