defecates and the infected feces gets rubbed into the bite wound, eyes abrasions or other skin wounds. The parasite invades macrophages at or near the site of entry. Here they transform, multiply and rupture from the cells 4-5 days later and enter the blood stream and tissue spaces. Initial infection with Chagas is typically asymptomatic. Acute disease may manifest symptoms after a couple of weeks. Reddening of the skin around the eye may be seen. Fever, malaise, enlarged liver and spleen are part
Words: 760 - Pages: 4
serologically confirmed survivors. The natural reservoir of Ebola virus is believed to be bats, particularly fruit bats, and it is primarily transmitted between humans and from animals to humans (Wikipedia). Ebola is spread through direct contact with blood and body fluids of an infected person to another. First symptoms are the sudden onset of fever fatigue, muscle pain, headache and sore throat. This is followed by vomiting, diarrhea, rash, symptoms of impaired kidney and liver function, and in some
Words: 408 - Pages: 2
all mammals have very similar organs and bodies. They share very common transport and digestive systems. Rats compared to humans the only major difference is that the heart is 3 chambers humans have 4.The rat has had latex injected into it. So the blood vessel was easily seen and colorized. The rat's fur actually did not stay in its normal colour. It changed to a brownish yellowish fur. It may have something to do with the chemicals that it was soaked it.By doing this rat dissection we not only gain
Words: 899 - Pages: 4
these are primarily funded trough 2 major charity organizations in Teheran. The donations of kidneys for a could lump sum has become drastically competitive where people are advertising the sale of their kidneys on posters and papers along with their blood type and other information that they believe will attract a buyer. The article also talks about how desperate people just opt for this option without understanding the risks simply because of the lack of regulations for such transplants. One incident
Words: 1215 - Pages: 5
Gangrene is a term that is used to identify when a large amount of tissue undergoes cell death (necrosis). Gangrene essentially means death of tissues due to lack of blood supply and invasion of deeper tissues with infection (Porth & Gaspard, 2015). There are two main classifications of gangrene, dry type and wet or moist type (Porth & Gaspard, 2015). There are several other types of gangrene that are rarer, however, all types of gangrene manifest either as dry or wet form (Porth & Gaspard, 2015)
Words: 692 - Pages: 3
the increase of the volume of blood is pumped with each contraction. This occurs because our muscles need more oxygen to contract so more blood needs to travel to the muscles. For example, as this person progresses through the levels, the intensity of the beep test will increase and therefore her heart rate will progressively increase. The time between levels will also increase and therefore the student heart rate will intensify. Stroke volume is the amount of blood ejected by the left ventricle
Words: 892 - Pages: 4
Laughing is so simple and works great to lighten the mood, but what a lot of people do not know is there are many health benefits of laughing. I. Humor can lower your blood pressure. a. Stress does cause an increase in blood pressure levels. b. Laughter helps you calm down and relieve that stress causing your blood pressure to do down. c. A good laugh can leave your muscles relaxed for up to 45 minutes after. II. Laughter boosts the immune system. a. It improves your resistance
Words: 689 - Pages: 3
allows rapid diffusion rates. The alveoli also has a large service area because it increases the amount of gas exchange they can do. The alveoli also has a very rich blood supply this aids the respiratory function of gas exchange as with all the capillaries running through them and rich blood more oxygen is able to be carried in the red blood cells. The very beginning of the respiratory system even has the specialised function of nose hair to collect unwanted dust and smoke particles
Words: 347 - Pages: 2
Patient denies any previous medical conditions. She stated that is has always been in good health and no previous diagnoses. Allergies: No known allergies Immunizations/vaccines: All of the patient’s immunizations were “up to date” Blood Transfusions/Surgical History: No transfusions, only surgery was the current cerclage placement and an appendectomy in 1982. V. Social History The patient denies ever smoking. She does not drink alcohol and has never done any illicit drugs
Words: 845 - Pages: 4
also be used to plow them through sand and muck and to act as a rudder. According to The University of Delaware, the horseshoe crab’s most important role in human medicine was made by Frederick Bang in the early 1950’s. Bang discovered that the blood cells (called
Words: 551 - Pages: 3
