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.
These are performed by organelles.
<span>Cell is the most basic unit of matter that can carry out all the processes of life however not all cells are alike.The different structures found within the cell is called the organelles and are assigned to perform specific function in the specific cell. It is also said that organelles maintain the life of the cell. The organelles of a single cell like the organs of a multicellular organism is very essential for the survival of the body. The presence of organelles in both unicellular and multi-cellular organisms are very essential in orde to maintain life and carry on with its individual functions.</span>
Answer:
I need more info? Is this a question or a true or false thing?
Explanation:
The answer is : Metamorphic rock
