Lividity can be defined as the typical bluish-purple discoloration of the skin after death. Rigor mortis can be defined as the postmortem state in which the muscles become stiff.
- After death, the stomach contains identifiable ingested foods within two hours.
- Rigor mortis is characterized by the stiffening of the body after death, which is caused by the absence of ATP in muscle tissues.
- Postmortem lividity or livor mortis is caused by the accumulation of blood in blood vessels (the lack of arterial pressure) as a result of gravity.
- The most relevant information to determine the time of death is the presence of lividity, rigor mortis, and/or stomach contents (Option c).
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Answer:
By one week after conception, the multiplying cells have divided into outer cells enclosing a mass of inner cells. The inner cells will become the embryo.
Explanation:
By week one, the outer cells will give the trophoblast, which will later become the placenta, while the inner cells will form the embryoblast, which will become the embryo. Then the inner cells will be in one end, and in the other one, there would be the blastocele, which is a space with fluids. This process takes place in the fallopian tube and is part of the segmentation process.
Different rate of synapse production in different areas of the brain indicate that:
1. the different areas of the brain does not develop at the same time.
2. there is difference in timing of development of different skills and behavior categories and
3. different rate of synapses elimination occur in the brain.
The human brain start maturing before birth and continue to grow until about the age of twenty five. Even after this age, adult brain continues to mature as a result of the learning experiences that people are exposed to.