Body Systems Quiz 1

The first level of organization in a multicellular organism is the basic unit of life, which is-

• Organ

• Cell

• Tissue

• Organism

Which level of organization is after tissue and before organ system?

• Cell

• Organism

• Organ

• Tissue

This level of organization is made of cells that look the same and perform the same function.

• Cell

• Tissue

• Organ

• Organ system

Which of the following lists the levels of organization from least to most complex?

• Cell, Tissue, Organ System, Organism

• Organism, Organ System, Tissue, Cell

• Cell, Tissue, Organ, Organ System, Organism

• Tissue, Organ, Organism, Cell, Organ System

Which of the following examples best represents the levels of organization from least to most complex?

• Lung cell → lung tissue → lung → respiratory system → human

• Lung cell → lung tissue → lung → respiratory system → human

• Lung cell → respiratory system → lung tissue → lungs → human

• Respiratory System → lungs → body cell → lung tissue → human

This type of tissue supports and provides the structural framework of the human body.

• Epithelial Tissue

• Connective Tissue

• Muscle Tissue

• Nervous Tissue

This tissue is made of cells called neurons that react to stimuli and send out impulses.

• Epithelial Tissue

• Connective Tissue

• Muscle Tissue

• Nervous Tissue

This tissue covers the surface of the body and works to protect and regulate the exchange of substances in and out of structures in the body.

• Epithelial Tissue

• Connective Tissue

• Muscle Tissue

• Nervous Tissue

This tissue contracts and relaxes which allows the body to move.

• Epithelial Tissue

• Connective Tissue

• Muscle Tissue

• Nervous Tissue

In humans, the heart is an organ that pumps blood through blood vessels. The combination of the heart and blood vessels is classified as–

• A tissue

• An organ

• An organ system

• An organism