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CIE IGCSE Biology: 复习笔记：11.1.11 Protecting the Breathing System: Extended Protecting the Breathing System: Extended The passages down to the lungs are lined with ciliated epithelial cel...
CIE IGCSE Biology: 复习笔记：11.1.10 Explaining the Link Between Physical Activity & Breathing: Extended Explaining the Link Between Physical Activity & Breathing: Extended Frequency and de...
CIE IGCSE Biology: 复习笔记：11.1.9 Differences in Inspired & Expired Air: Extended Differences in Inspired & Expired Air: Extended Reason for Differences Between Inspired & Expired Air...
CIE IGCSE Biology: 复习笔记：11.1.8 Volume & Pressure Changes in the Lungs: Extended Volume & Pressure Changes in the Lungs: Extended The diaphragm is a thin sheet of muscle that separates ...
CIE IGCSE Biology: 复习笔记：11.1.7 Function of Cartilage in the Trachea: Extended Function of Cartilage in the Trachea: Extended Rings of cartilage surround the trachea (and bronchi) The function ...
CIE IGCSE Biology: 复习笔记：11.1.4 Differences in Inspired & Expired Air Differences in Inspired & Expired Air Air that is breathed in and air that is breathed out has different amounts of...
CIE IGCSE Biology: 复习笔记：11.1.6 Identifying Intercostal Muscles: Extended Identifying Intercostal Muscles: Extended Muscles are only able to pull on bones, not push on them This means that ther...
CIE IGCSE Biology: 复习笔记：11.1.5 Investigating the Effects of Physical Activity on Breathing Investigating the Effects of Physical Activity on Breathing Exercise increases the frequency and dept...
CIE IGCSE Biology: 复习笔记：11.1.3 Investigating the Differences in Inspired & Expired Air Investigating the Differences in Inspired & Expired Air A simple experimental setup can be used t...
