The stomach is made up of all four types of tissue: connective, nervous, epithelial, and muscle. How might the stomach be affected if the muscle tissue no longer worked correctly?

Problems with stomach emptying (gastroparesis) occur when stomach muscles don't work correctly. Although the underlying cause can't always be found, damage to pacemaker cells and nerves in the stomach due to diabetes or surgery can lead to stomach muscle dysfunction.

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.