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Overview of types of immune responses. Difference between innate and adaptive immunity. Differences between humoral adaptive immunity and cell-mediated adaptive immunity.
Overview of types of immune responses. Difference between innate and adaptive immunity. Differences between humoral adaptive immunity and cell-mediated adaptive immunity.
In this course you will learn about:
These three short online lessons discuss asteroids, comets and meteors.
This video explains about coefficient, constant, variable and exponents. Useful for introductions to the topic and/or extension work.
This online resource discusses the distribution of earth's water.
These two short online tutorials discuss how the earth rotates and then the earth's revolutions.
In the first URL, the YouTube video explains why earth has spring, summer, autumn and winter seasons. The second URL summarizes the key takeaway points.
This online tutorial will explain the earth's shape and its hemispheres.
This video explains how to find factors.
This YouTube video explains how to calculate an irregular area on a map.