What Is the Difference Between Cell Movements in Response to Outside

question 154

Essay

What is the difference between cell movements in response to outside forces and cell-generated movements (in response to specific cell activity)? (Hint: Do red blood cells move because of RBC activity? What causes cell movements associated with cytokinesis?)Using the index of your text to guide you to relevant sections in other chapters (look up entries for the various cytoskeletal proteins), explain the different types of movements that cells generate.

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Definitions:

Segmental Contractions

Contraction of small segments of the intestinal tract that aids in mixing and propelling contents within the gastrointestinal system.

Nutrients

Substances required by the body for growth, repair, and maintaining health, including vitamins, minerals, carbohydrates, proteins, and fats.

Digestive Tract

The series of hollow organs joined in a long, twisting tube from the mouth to the anus through which food is digested and nutrients are absorbed.

Digestion

The process by which food is broken down into smaller components, eventually to be absorbed into the bloodstream for use by the body.