Exploring Cellular Organization and Systems

A group of tissues that work together is a(n) ______________________.

• cell

• organ

• organ system

Tags

NGSS.HS-LS1-2

What is the most complex structure?

• Tissue

• Organ

• Organ System

• Cell

Tags

NGSS.HS-LS1-2

The human heart is a ____-chambered organ.

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS1-2

Which of the following is a characteristic of eukaryotic cells but not prokaryotic cells?

• Presence of a nucleus

• Lack of membrane-bound organelles

• Smaller size

• Circular DNA

Tags

NGSS.HS-LS1-2

Which of the following is the basic unit of life?

• Cell

• Tissue

• Organ

• Organ System

What type of tissue is responsible for movement in the body?

• Connective tissue

• Nervous tissue

• Muscle tissue

• Epithelial tissue

Which organ system is responsible for transporting blood throughout the body?

• Respiratory system

• Digestive system

• Circulatory system

• Nervous system

Which statement was NOT included in cell theory?

• All living things are composed of cells.

• Living cells come only from other living cells.

• Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

• Cells are the smallest structure of living things that can perform the functions necessary for life.

Which instrument is credited for helping scientists develop cell theory?

• 
• 
• 
• 

This early cell theory scientist looked in a microscope and discovered "animalcules" in the gunk from his teeth and pond water.

• Schleiden

• Leeowenhoek

• Hooke

• Virchow

• Schwann