The Muscular System Teacher pages The muscular system allows us to move. Adults have a certain fixed number of muscle cells‚ approximately 602. . Through exercise‚ such as weight lifting‚ the cells enlarge but the number of cells does not increase. Structure and Function There are three types of muscle tissue—smooth‚ skeletal‚ and cardiac. Each has its own distinctive function‚ and therefore‚ its own distinctive structure‚ but all muscles allow movement of some kind. Skeletal Muscle
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Review Questions 1. What is liver mortis? How might this reveal information about the time of death? Liver mortis is a change that occurs when the blood settles in the lowest part of the body. This usually occurs between 8 to 12 hours after death. If the body was found and this hadn’t occurred yet‚ then the scientists know the time of death was before the 8-12 hour period. 2. What three aspects does a forensic autopsy seek information about? Describe each of these aspects. Cause of death- the medical
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Serology Serology? What is serology? How do Forensic Scientists use serology? Serology is the study of blood‚ blood serum‚ saliva‚ semen‚ and other bodily fluids. However the reason that this became a discipline of Forensic Science is because forensic scientists can use the DNA found from the different assortments of bodily fluids in order to narrow down and eliminate possible suspects. Forensic Serology is the study of serology in the relation to crimes and other legal matters‚ using a biological
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witness is a person whom the court deems has special knowledge relevant to the case. 4. What are two of the ways that a forensic pathologist might use to help determine the time of death? A forensic pathologist might consider if rigor mortis‚ algor mortis‚ or liver mortis has occurred. They must also consider the location‚ air temperature‚ and size of the body in determining the TOD. 5. What does a forensic anthropologist do? A forensic anthropologist identifies and examines the body or skeletal remains
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person would not have. 4. What are two of the ways that a forensic pathologist might use to help determine the time of death? Forensic Pathology‚ where you can determine how long the victim has been dead by seeing if they have Rigor Mortis‚ Liver Mortis or even Algor Mortis. 5. What does a forensic anthropologist do? Analyzes bodies that haven been in disasters fires‚ explosions‚ plane crashes‚ in general bodies burnt or mutilated. Critical Thinking Questions 1. Why do you think it is so important
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extension of this specialty to the criminal justice system. Studies sudden‚ unexplained‚ and violent deaths by using autopsies to determine the cause of death in an individual. Rigor Mortis : when the muscles of the body relax and then become rigid. Occurs within 24 hours of death and goes away after 36 hours. Liver Mortis also happens soon after death. This condition in the body happens as the blood stops pumping through the body and
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proof. As a result‚ pathologist can usually find a good estimation of the victims TOD within a few hours of the actual event. When a person first dies‚ their body stays limp until Rigor Mortis sets in anywhere from ten minutes to several hours afterwards‚ depending on environmental conditions. Rigor Mortis (Latin for “stiffness of death”) causes the joints of the body to stiffen as a result of partial contraction in skeletal muscles. The smaller muscles‚ like those found in the face‚ are usually
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Module Six: Text Questions Review Questions What is liver mortis? How might this reveal information about the time of death? Liver mortis is the settling of blood in the lowest parts of the body. Liver mitosis happens about 8 to 12 hours after death. What three aspects does a forensic autopsy seek information about? Describe each of these aspects. The purpose of a forensic autopsy is to find out the time of death‚ the mechanism of death‚ and the manner of death. The time of death is what
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color. 8. Blood pools at the bottom of the body. 9. The hands and feet turn blue. 10. The eyes sink into the skull. After 4 hours: 11. Rigor mortis has set in. 12. The purpling of the skin and the pooling of the blood continue. 13. Rigor continues to tighten muscles for another 24 hours or so. After 12 hours: 14. The body is in full rigor mortis. After 24 hours:
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1. What is liver mortis? How might this reveal information about the time of death? Liver mortis is one sign of death that occurs when blood settles in the lower parts of the body. The part where the blood accumaltes can be discolored or turn a purple color after a certain time and reaches its limit at 8-12 hours after death and can help investigators reveal info about time of death. 2. What three aspects does a forensic autopsy seek information about? Describe each of these aspects? They seek information
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