I will do my best to provide a scientific and factual answer to this question, while also keeping in mind the potential impact on readers.
The process of decomposition begins immediately after death and involves a complex series of physical and chemical changes to the body. The extent and rate of decomposition can vary depending on a number of factors, including the temperature, humidity, and presence of bacteria and other microorganisms. However, after two weeks, it is likely that the body will have undergone significant changes.
One of the first visible signs of decomposition is known as livor mortis or lividity, which refers to the pooling of blood in the lowest parts of the body. This causes the skin to take on a dark purple or red color, particularly in areas such as the back and buttocks where the pressure from the weight of the body is greatest. After two weeks, the discoloration may be more pronounced and extensive, with the skin appearing mottled or blotchy.
Another early change that occurs after death is rigor mortis, which is the stiffening of the muscles due to the depletion of ATP, a molecule that provides energy for muscle contractions. Rigor mortis typically begins within a few hours of death and can last for up to 72 hours before gradually dissipating. After two weeks, the body will no longer be in a state of rigor mortis, but the muscles may still be contracted in a fixed position.
One of the most dramatic changes that occurs during decomposition is the breakdown of soft tissues by microorganisms such as bacteria and fungi. These microorganisms begin to break down the proteins, fats, and carbohydrates in the body, releasing gases such as methane and hydrogen sulfide that can cause the body to bloat and become distended. This process, known as putrefaction, also produces a strong odor of decay that can be noticeable from a distance.
After two weeks, the body will likely be significantly bloated and distended, with areas such as the abdomen, face, and genitals being particularly affected. The skin may also have begun to blister and slough off in areas where the pressure from the gases is greatest. In addition, the breakdown of tissues can cause fluids to leak from the body, which can stain the surrounding area and attract insects and other scavengers.
As the decomposition process continues, the body will become increasingly unrecognizable, with the features of the face and other parts of the body becoming distorted and difficult to discern. The bones may also become more visible as the soft tissues continue to break down, although this can vary depending on the conditions in which the body is decomposing.
It is important to note that the rate and extent of decomposition can vary depending on a number of factors, including the temperature, humidity, and presence of scavengers. In some cases, a body may be partially or fully submerged in water or buried, which can slow down or accelerate the decomposition process. Additionally, embalming or other forms of preservation can also affect the appearance of a body after death.
In conclusion, after two weeks of being dead, the body will have undergone significant changes due to the process of decomposition. The skin will likely be discolored and mottled, the muscles may still be contracted, and the body may be bloated and distended due to the release of gases. The appearance of the body will be highly dependent on a number of factors, and may vary significantly depending on the conditions in which it is decomposing.