FinalER-E

What is the definition of homeostasis?

• The ability to maintain relatively stable internal conditions even though the outside world changes continuously

• The ability to maintain relatively stable external conditions even though the inside world changes continuously

• When the output shuts off the original effect of the stimulus

• The response enhances the original stimulus so that the response is accelerated

_____ is the study of the body's structure.

• anatomy

• embryology

• physiology

• histology

The primary feedback system operating in the body is _____.

• negative feedback

• positive feedback

• regulatory

• proximal versus distal

Of the eight necessary life functions, which of the following is not required for an individual's survival?

• maintaining boundaries

• metabolism

• reproduction (organismal)

• excretion

Water is not important to bodily functions.

• true

• false

It is important for any organism to maintain its boundaries, so that its internal environment remains distinct from the external environment surrounding it.

• true

• false

One of these is NOT a vital function. Which one is it?

• Reproduction

• Nutrition

• Reading

• Excretion

Atoms,molecules, and macromolecules make up which level of structural organization?

• Chemical

• Cellular

• Tissue

• Organ

Three examples of levels of organization smaller than a cell

• Atom, molecule, organelle

• Atom, cell, tissue

• Organ, molecule, proton

• Neutron, molecule, tissue

Justin has learned that the brain, spinal cord, and peripheral nerves work together. What do they combine to form?

• a cell

• organ

• tissue

• organ system