Examine the Digestive System Structures in the Figure

question 17

Multiple Choice

Examine the digestive system structures in the figure. The highest rate of nutrient absorption occurs at location ________.

• A) 1
• B) 4
• C) 5
• D) 8

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Definitions:

Fluorescence

The emission of light of a longer wavelength (lower energy) than the light originally absorbed.

Ground State

The lowest energy state of an atom

UV Radiation

Electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, which can have effects such as causing skin burns or promoting vitamin D synthesis.

Chloroplasts

Organelles found in the cells of green plants and photosynthetic algae that conduct photosynthesis, converting light energy, water, and carbon dioxide into oxygen and glucose.