The correct answer is B. Pheromones are released into the environment rather than being held within the body.
Explanation
Pheromones are chemical substances secreted by living beings, in order to cause specific behaviors in other individuals of the same species. They are a means of transmitting volatile signals produced in liquid form, which are then dispersed throughout the environment. This is used by different species of plants and animals as a means of communication and almost all send one or more codes by this means, both to attract or reject each other sexually as well as for other purposes. According to the above, the correct answer is B. Pheromones are released into the environment rather tan being held within the body.
As the resin passes along the intestine or is retained in the colon after administration by enema, the sodium ions are partially released and are replaced by potassium ions. For the most part, this action occurs in the large intestine, which excretes potassium ions to a greater degree than does the small intestine.
Answer:
By avoiding contact with the blood of others
Explanation:
Answer: Frequent hand washing
Explanation:
Shigellosis, an infection caused by shigella bacteria. These can be found in stool or fecal matter of infected persons. Symptoms of shigellosis set in a day or two after infection and may last from days to up to a week.
- Loose, watery stool or Diarrhea
- Stomach pains
- Fever
Frequent hand washing with soap and clean water are typically enough of a measure to prevent the spread of the disease. Additionally, persons with shigellosis should not handle food and food preparation while ill.
