&lt;p&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 24pt; line-height: 34.24px; font-family: &amp;quot;Times New Roman&amp;quot;, serif; color: red;&quot;&gt;&amp;nbsp;Activit&eacute; 2: immunit&eacute; sp&eacute;cifique&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;p class=&quot;MsoListParagraph&quot; style=&quot;margin-left: -20.65pt; text-indent: -14.8pt;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 14pt; line-height: 19.9733px; font-family: &amp;quot;Times New Roman&amp;quot;, serif; color: red;&quot;&gt;1-&lt;span style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-weight: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: &amp;quot;Times New Roman&amp;quot;;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 14pt; line-height: 19.9733px; font-family: &amp;quot;Times New Roman&amp;quot;, serif; color: red;&quot;&gt;Les constituants de syst&egrave;me immunitaire :&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;p class=&quot;MsoListParagraph&quot; style=&quot;margin-left: -20.65pt; text-indent: -14.8pt;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 14pt; line-height: 19.9733px; font-family: &amp;quot;Times New Roman&amp;quot;, serif; color: red;&quot;&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;p&gt;1- Les constituants de syst&egrave;me immunitaire&amp;nbsp;&lt;/p&gt;&lt;p&gt;2- Les types de la r&eacute;ponse immunitaire sp&eacute;cifique&amp;nbsp;&lt;/p&gt;&lt;p class=&quot;MsoListParagraph&quot; style=&quot;margin-bottom: 20px; margin-left: -1cm; text-indent: 0cm;&quot;&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 12pt; line-height: 17.12px; font-family: &amp;quot;Times New Roman&amp;quot;, serif; color: rgb(0, 176, 80);&quot;&gt;1-&lt;span style=&quot;font-variant-numeric: normal; font-variant-east-asian: normal; font-weight: normal; font-stretch: normal; font-size: 7pt; line-height: normal; font-family: &amp;quot;Times New Roman&amp;quot;;&quot;&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;span dir=&quot;LTR&quot;&gt;&lt;/span&gt;&lt;span style=&quot;font-weight: bolder;&quot;&gt;&lt;span style=&quot;font-size: 12pt; line-height: 17.12px; font-family: &amp;quot;Times New Roman&amp;quot;, serif; color: rgb(0, 176, 80);&quot;&gt;R&eacute;ponse immunitaire humorale&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;