During the germinal period of prenatal development, some cells become part of the brain, some become part of the leg, and some become part of the stomach, etc. the term for this process is: select one: a. duplication. b. division. c. differentiation. d. specialization.

The correct answer is c.

Differentiation in prenatal development is the process of growth and development in which embryonic cells become specialized and different tissue structures rise. Differentiation of the cells during this stage is crucial to the cell, tissue, organ, identity of the organism.

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.