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:
Processing and storing food.
Explanation:
The coelom is the hollow structure formed in the organisms filled with the coelom fluid. The coelom is formed during embryogenesis which may be lined by the mesodermal layer or not.
The formation of coelom serves many functions in different organisms like it allows the internal movement of the organs in the body, allows the independent movement of the digestive tract, the fluid present in the cavity acts as a hydrostatic skeleton in the lower organism and cushions the internal organs.
The function that is not performed by the coelom is that it is not involved in the processing and storing food in organisms.
Thus, Processing and storing food is correct.
Answer:
Viruses, fungi, bacteria, protozoans, and worms.
Explanation:
They all are pathogens which can cause infection.