Cellular Organization

What is "an individual form of life made up of one or more cells"?

• Organelle

• Organism

• Organ System

• Tissue

Answer explanation

A form of life defines an organisms.

What are "groups of cells that carry out a specific function"?

• Organelle

• Organism

• Organ System

• Tissue

Answer explanation

Groups of cells with a common job are called tissues.

What level of organization would include the brain and spinal cord working together?

• Organelle

• Organism

• Organ System

• Tissue

Answer explanation

Two or more organs woking together are called an organ system.

Which is the smallest unit of life?

• cell

• organism

• virus

• tissue

How are the skeletal and muscular systems related?

• They work together to form an external skeleton

• They make up bones

• They work together for support and movement

• They do not work together

Answer explanation

Muscles expand and contract while they are attached to bones. This moves the organism.

Which organ systems work together to take in air and transport oxygen to cells?

• Skeletal and Muscular

• Circulatory and Respiratory

• Digestive and Excretory

• Nervous and Endocrine

Answer explanation

Exchanging air is done by the respiratory system and the circulatory system moves the air within the body.

What level of organization is blood (RBCs, WBCs, etc.)?

• Cell

• Tissue

• Organ

• System

Answer explanation

Blood contains many types of cells and is a tissue.

What level of organization is your brain?

• Cell

• Tissue

• Organ

• System

Answer explanation

Your brain is an organ.

Which organ system help you respond to your environment?

• Skeletal

• Circulatory

• Digestive

• Nervous

Answer explanation

The nervous system gathers information and enables you to respond.

What level of organization is a group of tissues working together?

• Cell

• Tissue

• Organ

• System

Answer explanation

Groups of tissues working together make an organ.