Bài 2 - 3. Nam hay nữ
<h3 style="text-align: justify;" id="liecircn-he-thuc-te-vagrave-tra-loi">Liên hệ thực tế và trả lời</h3> <h4 style="text-align: justify;"><em>1.Lớp bạn có bao nhiêu bạn trai, bao nhiêu bạn gái?</em></h4> <h4 style="text-align: justify;"><em>2.Nêu một vài điểm giống nhau và khác nhau giữa bạn trai và bạn gái.</em></h4> <p style="text-align: center;"><img src="/uploads/tinymce/21-1665150791.PNG.webp" alt="hinh-anh-bai-2-3-nam-hay-nu-1400-0" title="hinh-anh-bai-2-3-nam-hay-nu-1400-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <h4 style="text-align: justify;"><em>3. Chọn câu trả lời đúng.</em></h4> <p style="text-align: justify;">Khi một em bé mới sinh, dựa vào cơ quan nào của cơ thể để biết đó là bé trai hay bé gái?</p> <p style="text-align: justify;">a) Cơ quan tuần hoàn.</p> <p style="text-align: justify;">b) Cơ quan tiêu hoá.</p> <p style="text-align: justify;">c) Cơ quan sinh dục.</p> <p style="text-align: justify;">d) Cơ quan hô hấp.</p> <h3 style="text-align: justify;" id="ban-can-bietnbsp">Bạn cần biết&nbsp;</h3> <p style="text-align: justify;">Ngoài những đặc điểm chung, giữa nam và nữ có sự khác biệt, trong đó có sự khác nhau cơ bản về cấu tạo và chức năng của cơ quan sinh dục.</p> <p style="text-align: justify;">Đến một độ tuổi nhất định, cơ quan sinh dục mới phát triển, làm cho cơ thể nữ và nam có nhiều điểm khác biệt về mặt sinh học. 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margin-left: auto; margin-right: auto;" src="/uploads/tinymce/22-1665150833.PNG.webp" width="332" height="605" alt="hinh-anh-bai-2-3-nam-hay-nu-1400-1" title="hinh-anh-bai-2-3-nam-hay-nu-1400-1" loading="lazy"></p> <h3 style="text-align: justify;" id="liecircn-he-thuc-te-vagrave-tra-loi">Liên hệ thực tế và trả lời</h3> <p style="text-align: justify;">- Nêu một số điểm khác biệt giữa nam và nữ về mặt sinh học.</p> <h3 style="text-align: justify;" id="trograve-choi-hoc-tap-ldquoai-nhanh-ai-duacutengrdquo">Trò chơi học tập: “Ai nhanh, ai đúng?”</h3> <p style="text-align: justify;">Dùng các tấm phiếu có nội dung dưới đây để xếp vào cột phù hợp.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/23-1665150880.png.webp" alt="hinh-anh-bai-2-3-nam-hay-nu-1400-2" title="hinh-anh-bai-2-3-nam-hay-nu-1400-2" loading="lazy"></p> <table style="border-collapse: collapse; width: 100.023%;" border="1"> <tbody> <tr> <td style="width: 31.7068%; text-align: center;"><strong>Nam</strong></td> <td style="width: 31.7068%; text-align: center;"><strong>Cả nam và nữ</strong></td> <td style="width: 31.7068%; text-align: center;"><strong>Nữ</strong></td> </tr> <tr> <td style="width: 31.7068%;"> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> </td> <td style="width: 31.7068%;">&nbsp;</td> <td style="width: 31.7068%;">&nbsp;</td> </tr> </tbody> </table> <h3 style="text-align: justify;" id="liecircn-he-thuc-te-vagrave-tra-loi">Liên hệ thực tế và trả lời</h3> <p style="text-align: justify;">- Nêu một số ví dụ về vai trò của nữ ở trong lớp, trong trường và ở địa phương bạn.</p> <p style="text-align: justify;">- Tại sao không nên phân biệt đối xử giữa nam và nữ?</p> <h3 style="text-align: justify;" id="ban-can-bietnbsp">Bạn cần biết&nbsp;</h3> <p style="text-align: justify;">Vai trò của nam và nữ ở gia đình, xã hội có thể thay đổi.</p> <p style="text-align: justify;">- Trong gia đình: Trước kia, nhiều người cho rằng phụ nữ phải làm tất cả các công việc nội trợ. 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