Answer
1. A - Bowman's capsule, B - Glomerulus, C - Afferent arteriole, D - Proximal convoluted tubule, E - Loop of Henle, F - Distal convoluted tubule.
2. Glomerulus and Bowman's capsule.
3. D - Cuboidal epithelial cells, F - Simple squamous epithelial cells.
4. Structure A (Bowman's capsule) surrounds structure B (glomerulus).
5. C has afferent arteriole and efferent arteriole that assist in the filtration function of the Malpighian body.
6. Water, sodium, chloride, and glucose are found in structure E.