Grade 6 Lesson 4

What level of organization is shown in the figure below?

• organ

• tissue

• organ system

Which type of tissue is most affected by a disease that infects bone?

• connective tissue

• muscle tissue

Which of the following is the correct ranking of the levels of organization in living things from simplest to most complex?

• cells, organs, tissues, organ systems, organisms

• cells, tissues, organs, organ systems, organisms

What are the small intestine, liver, stomach, gallbladder, and appendix?

• organs

• systems

What best describes a group of similar cells working together?

• tissue

• organ

Which system is represented in the image above?

• digestive system

• respiratory system

Which type of muscle moves organs such as the stomach, intestines, and heart?

• involuntary muscles

• voluntary muscles

What human body system protects and supports the body and stores minerals such as calcium

• skeletal

• respiratory

What terms best describes the substances needed by the body for energy, growth, and development?

• fats

• nutrients

Which organ is part of the excretory system?

• kidneys

• liver