Chlorophyll absorbs wavelengths of light in the light spectrum. Green light isn't absorbed but reflected making chlorophyll appear green. :D
The correct answer is "they originate as pockets, rather than forming continuous tubes".
Lymphatic capillaries are very small vessels located between cells. Their function is to absorb and process extracellular fluid. They have very thin walls and larger diameter than blood capillaries. Another important characteristic is that they have closed ends, permitting the extracellular fluid to flow in but not out.
I believe that the best answer to this question is d. amino acids.
