Answer:
it may cause a big problem or it is maybe a good thing
Explanation:
yes
The question is incomplete. Th ecomplete question is as following:
All of the following protect the skin and mucous membranes from infection EXCEPT
A) multiple layers of cells.
B) tears.
C) saliva.
D) HCl.
E) the "ciliary escalator."
Answer: D) HCl.
Explanation:
- The epidermis, the outer layer of the skin provides waterproofing and serves as a barrier to infection and other laers also sustain any type of injury.
- Tears wash out foreign bodies which enter the eye. In addition, tears contain a substance called lysozyme which has an antibacterial function and works to prevent microbial invasion and infection.
- Saliva protects against infection, especially via the innate immune system. This mechanism is an important first-line protection against bacterial and viral infection
- The mucociliar escalator is within the conducting airways and is composed of mucus and cilia that transfer the mucus up and out of the lungs where it can be removed by coughing or swallowing,
Whereas HCL helps in the digestion process.
Hence, the correct option is D.
Answer:
- the people in Nepal share different traditions and cultures that are different to ours Americans.
- Both Nepal and United States count with a different amount of population.
- Nepal counts with multiple tribal groups.
Explanation:
- the people in Nepal share different traditions and cultures that are different to ours Americans.
- Both Nepal and United States count with a different amount of population.
- Nepal counts with multiple tribal groups.
Answer:
C
Explanation:
The same species would communicate with each other and work to secure prey for themselves—ensuring they can eat.
Answer:
Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited.
Explanation:
