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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.

Part 1: Comparing like and unlike fractions
Part 2: Examples of comparing like and unlike fractions
Part 3: Common mistakes made when comparing fractions

Fraction comparison with lowest common denominators.

This video explains how to order fractions by their size.

Outcome

In this lesson you will learn about:

1. The real number system.
2. Rational and irrational numbers.
3. How to convert terminating decimals to rational numbers. 
4. How to convert recurring decimals to rational numbers.
5. Rounding off decimal numbers.

YouTube video that explains how to use prime factorization to find the highest common factor and lowest common multiple. It is very simple using the method described in the video.

Role of phagocytes in innate or nonspecific immunity. Neutrophils, macrophages, and dendritic cells.

This video explores the different types of numbers which exist.