Many molecules are moved through the body by .

provide structure for plants.

determine what people look like.

Cells are surrounded and protected by
.

speed up chemical reactions in the body.

Hemoglobin, a protein, is built by
.

The human body is insulated by
.

Brad up chemistry equation in the body

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.