Body Systems and Levels of Organization

The smallest subsystem of an organism that can perform all the functions needed for life.

• tissue

• organ

• cell

• organ system

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

Which of the following statements describes anorgan?

• The basic unit of structure and function in

  living things.

• A group of cells that work together to perform a

  specific function.

• A structure in the body that is composed of

  different kinds of tissue.

• A group of organs that work together to perform a major function in the body.

Group of organs with similar functions.

• Cell

• Tissue

• Organ

• Organ System

In multicellular organisms, cells are organized

into groups that work together to perform a

specific function. What are those groups of

cells called?

• Systems

• Bones

• Tissues

• Joints

Tags

NGSS.MS-LS1-3

The liver is composed of cells called

Hepatocytes. Many Hepatocytes together in

the liver form -

• Cells

• Tissue

• Organ System

• Organism

Tags

NGSS.MS-LS1-1

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The stomach is a collection of tissue that

contracts to help digest food? The stomach is

considered to be a(n) --

• Cells

• Tissue

• Organ

• Organ System

In the human heart, there are organs that

pump blood through blood vessels. The

combination of the heart and blood vessels are

classified as --

• a tissue

• an organ

• an organ system

• an organism

Tags

NGSS.MS-LS1-3

Cells that can carry messages to and from your brain.

• Blood Cells

• Neurons

• Skin Cells

• Epithelial Cells

Tags

NGSS.MS-LS1-3

Group of cells with similar functions.

• Cells

• Tissues

• Organs

• Organ Systems

Tags

NGSS.MS-LS1-3

Our bodies have levels of organization that build upon each other. Our ​ (a)   make up tissues, ​ (b)   make up organs, and organs make up ​ (c)   .

• cells

• tissues

• organ systems

• organism

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-3