The answer is "D"
The body's first line of defense is also known as Innate immunity and incudes mucous membranes. Both the intact skin and mucous membranes of the body offer a high degree of protection against pathogens.
A good example is the mucous membrane of the respiratory tract. It is lined up with cilia and covered with mucus. The coordinated beating of the cilia drives the mucus up to the nose and mouth where the trapped bacteria can be expelled.
(Lymph nodes and white blood cells belong to the second line of defense, not the first)
B would be the most windy
The most elevated point has nothing to block the wind
Answer:
hey Rebecka the answer is in the photos. thank me later, also you should cut me some cucumbers
Explanation:
Answer:Institutional Animal Care and Use Committees ( IACUC).
Explanation: it was formally introduced in 1986 with an amendment to the Animal Welfare Act and corresponding changes in U. S. public health service policy. It is the committee that investigates researcher to know if they are properly trained to perform animal procedures, as required by law.
Answer:
the process is called condensation.
the molecules will move faster
