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Six Levels of Structural and Functional Organization

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Six Levels of Structural and Functional Organization

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Questions and Answers

What is the primary function of the serous membranes?

To reduce friction between the organs and the cavity walls (correct)

To provide structural support for the organs

To absorb excess fluids from the body cavities

To protect the organs from external damage

Which of the following is NOT a characteristic of positive feedback mechanisms?

They cause a progressive deviation away from the set point

They are generally associated with injury or disease

They are not directly used for homeostasis

They involve the detection and correction of deviation from the set point (correct)

In which plane does the median plane divide the body into equal left and right halves?

Coronal plane

Sagittal plane (correct)

Frontal plane

Transverse plane

Which serous membrane covers the organs within the abdominopelvic cavity?

Peritoneum Signup and view all the answers

Which of the following terms describes a structure that is close to the surface of the body?

Superficial Signup and view all the answers

What is the primary function of the pleural cavity?

To reduce friction between the lungs and the thoracic wall Signup and view all the answers

What is the main mechanism used for homeostatic regulation?

Negative feedback Signup and view all the answers

Which level of organization involves cells as the basic units of life?

Tissues Signup and view all the answers

What are examples of organelles found at the cellular level of organization?

Ribosomes, Golgi apparatus Signup and view all the answers

Which group of cells is responsible for releasing extracellular substances in tissues?

Epithelial Signup and view all the answers

What is the function of organs in the structural and functional organization of organisms?

Act together with multiple tissue types Signup and view all the answers

Which of the following is an example of an organ-system?

Digestive system Signup and view all the answers