Describe the first layer of the human protective and immune systems

What will be an ideal response?


There are several layers of defense that comprise our protective and immune systems. The first layer consists of our skin and mucous membranes. Most bacteria or viruses we contact are blocked by the skin from mounting an invasion. Those that manage to penetrate the skin are vigorously attacked. Bacteria that penetrate the skin are ingested by white blood cells otherwise known as leukocytes.

Psychology

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Postformal morality is the final stage of Lawrence Kohlberg's theory of moral development

a. True b. False Indicate whether the statement is true or false

Psychology

Rachel's 15th birthday is on Friday. Her mother and father ask her to choose between Olive Garden and Red Lobster for her birthday dinner. Rachel remembers that she more recently ate at the Red Lobster. Because of this, Rachel decides that she would like to go to Olive Garden for her birthday dinner. What type of memory did Rachel utilize in making her decision?

A) episodic B) prospective C) iconic D) semantic

Psychology

The group of people who participate in the study is to _____ as all of the people about whom a study is meant to generalize are to _____

a. sample; population b. population; sample c. positive correlation; negative correlation d. negative correlation; positive correlation

Psychology

Finding a new or creative way to think about a stressor to reduce its threat is called:

A) repressing. B) reframing. C) rationalizing. D) reorienting.

Psychology