Classify each of the features of bones as either a "projection" (a thing that sticks out) or as a "depression" (a thing that has a concavity):

1. Process
2. Sulcus
3. Spine
4. Trochanter
5. Fossa
6. Tubercle
7. Fovea
8. Tuberosity

answer; benefit; harmed;

true skin; another name for the dermis. lies directly beneath the epidermis and is often referred to as the true skin. outermost layer of epidermis, consisting of dead cells.

1. aerobic

2. lactic acid fermentation

3. glycolysis

4. anaerobic

5. alcohol fermentation