<span>When a cell is in a dynamic equilibrium with its environment, this means that the salt/water concentration inside the cell is equal to the salt/water concentration outside the cell. It is called an equilibrium because no transport of molecules is needed since the concentrations are already the same.</span>
Answer:
Option (a), (b) and (c)
Explanation:
At the old age, a person's immune system becomes weak and the person becomes more prone to diseases like influenza or common cold or flu.
These infections are more common at the age above 60 years where a severe condition of cold can also lead to Pneumonia.
Also those people which did not have the Tetanus vaccine at the age of 11 or 12 must have the Tetanus Tdap.
The lack of immunity to fight against seasonal changes make it necessary for the elderly people to get influenza vaccine.
Also Pneumonia vaccine provides protection against 23 types of pneumococcal bacteria thus it necessitates the vaccination of Pneumonia.
Answer:
Visceral fat
Explanation:
Visceral fat is one of the types of body fat which is stored in the region of abdominal cavity. The visceral fat is located near several vital organs that are found in the visceral region. Such organs around which the visceral fat is located are liver, stomach and intestines. This fat sometimes also gets build up in the arteries. “Active fat” is a term which is often used for the visceral fat because it actively increases the risk of some serious health problems.
