Levels of Organization & Skeletal/Muscular Systems

Which statement best explains how organ systems in the human body function?

• a. They work at different times to conserve energy

• b. They work together to benefit the entire organism

• c. They work at different times, depending on their job

• d. They work independently of each other, for efficiency

Which two body systems are most affected when a person is participating in a long jump?

• a. Skeletal and muscular

• b. Skeletal and digestive

• c. Endocrine and muscular

• d. Endocrine and digestive

Which sequence of biological structures within the human body is organized from simplest to most complex?

• a. Bone cells, bone tissues, bone, skeletal system

• b. Bone tissue, bone cells, bone, skeletal system

• c. Skeletal system, bone, bone cells, bone tissues

• d. Skeletal system, bone, bone tissue, bone cells

A doctor specializes in surgery involving the lungs and heart. For which level of organization does this doctor specialize?

• a. Atoms

• b. Cells

• c. Organs

• d. Tissues

Which type of muscle makes up the heart?

• a. cardiac

• b. skeletal

• c. smooth

• d. All of these

A(n) contracts under unconscious control.

• a. involuntary

• b. skeletal

• c. voluntary

• d. striated

Which of the following statements about muscles and the muscular system is true?

• a. All muscle action is voluntary, or able to be consciously controlled

• b. The three types of muscle tissue are skeletal muscle, smooth muscle, and involuntary muscle

• c. Muscles always work independently to move parts of the body

• d. Smooth muscle moves food from the digestive system

Which of the following statements describe how tissues, organs, and organ systems are related?

• a. Organs form tissues, which form organ systems

• b. Organ systems form organs, which form tissues

• c. Tissues form organs, which form organ systems

• d. None of the above

Which best explains why muscle is considered a tissue?

• a. It is connected to bones

• b. It can move voluntarily or involuntarily

• c. It interacts with several organ systems

• d. It is a group of cells working together

Which statement describes the organization of living organisms?

• a. All organisms are composed of many cells, which are the basic units of structure but do not perform life functions

• b. All organisms are composed of one or more cells, which are the basic units of structure and perform essential life functions

• c. All organisms are composed of many cells that have basic units with unique structures and functions

• d. All organisms are composed of one or more cells with the same shape and purpose but are not the basic units of structures