filmov
tv
AQA GCSE PE: The Pathway Of Air & Gaseous Exchange | The Lungs & Alveoli | The Respiratory System
Показать описание
AQA GCSE PE: The Pathway Of Air & Gaseous Exchange | The Lungs & Alveoli | The Respiratory System | AQA Paper 1
This video seeks to outline the structural parts of the respiratory system and the pathway air takes following inhalation. It also details how gaseous exchange occurs, as well as the features that support it. It is essential that YOU understand this topic in preparation for the AQA GCSE PE (9-1) paper 1 examination.
What you need to know:
The pathway of air Identification of the pathway of air (limited to):
• mouth/nose
• trachea
• bronchi
• bronchioles
• alveoli
You also have to know that gaseous exchange occurs at the alveoli and understand the features that assist in gaseous exchange:
• large surface area of alveoli
• moist thin walls (one cell thick)
• short distance for diffusion (short diffusion pathway)
• lots of capillaries
• large blood supply
• movement of gas from high concentration to low concentration
• oxygen combines with haemoglobin in the red blood cells to form oxyhaemoglobin. Haemoglobin can also carry carbon dioxide.
I have attached the AQA specification below where you can read about this.
Key terms: the respiratory system, breathing, gaseous exchange, the pathway of air, oxygen, carbon dioxide, trachea, bronchi, bronchioles and alveoli.
As ever, if you require any assistance please leave a comment in the section below.
This video seeks to outline the structural parts of the respiratory system and the pathway air takes following inhalation. It also details how gaseous exchange occurs, as well as the features that support it. It is essential that YOU understand this topic in preparation for the AQA GCSE PE (9-1) paper 1 examination.
What you need to know:
The pathway of air Identification of the pathway of air (limited to):
• mouth/nose
• trachea
• bronchi
• bronchioles
• alveoli
You also have to know that gaseous exchange occurs at the alveoli and understand the features that assist in gaseous exchange:
• large surface area of alveoli
• moist thin walls (one cell thick)
• short distance for diffusion (short diffusion pathway)
• lots of capillaries
• large blood supply
• movement of gas from high concentration to low concentration
• oxygen combines with haemoglobin in the red blood cells to form oxyhaemoglobin. Haemoglobin can also carry carbon dioxide.
I have attached the AQA specification below where you can read about this.
Key terms: the respiratory system, breathing, gaseous exchange, the pathway of air, oxygen, carbon dioxide, trachea, bronchi, bronchioles and alveoli.
As ever, if you require any assistance please leave a comment in the section below.
0:04:08
AQA GCSE PE: The Pathway Of Air & Gaseous Exchange | The Lungs & Alveoli | The Respiratory S...
0:04:22
GCSE PE - THE PATHWAY OF AIR & GASEOUS EXCHANGE - Anatomy and Physiology (Respiratory System - ...
0:06:51
AQA GCSE PE: The Cardiac Cycle, The Heart, The Pathway Of Blood | The Cardiovascular System
0:04:02
AQA GCSE PE - The Lungs & Gas Exchange
0:04:58
GCSE PE: What is the pathway of blood around the heart?
0:02:15
AQA GCSE PE Revision - Pathway of Air & Gaseous Exchange
0:05:27
AQA GCSE PE: Spirometer Trace & Lung Volumes | Tidal Volume, Reserve Volumes & Residual Volu...
0:46:58
AQA GCSE PE: LAST MINUTE PAPER 1 EXAM REVISION 2023 | EVERYTHING YOU NEED TO KNOW IN 47 MINUTES
0:00:37
Science Raps: GCSE Biology - Heart Structure
0:03:58
GCSE Biology - Gas Exchange and Lungs #26
0:05:03
GCSE Biology - The Heart #23
0:01:16
AQA GCSE PE Gas Exchange
0:01:07
AQA GCSE PE The Lungs & Gas Exchange Introduction
0:07:33
AQA GCSE PE: Cardiac Cycle
0:06:20
AQA GCSE PE Revision - Mechanics of Breathing
0:15:00
Pathway of Air GCSE PE
0:03:08
AQA GCSE PE: The Mechanics Of Breathing | The Role Of The Intercostal Muscles, Ribs & Diaphragm
0:04:13
OCR GCSE PE - The Lungs & Gas Exchange
0:04:46
GCSE Biology - Nervous System and Reflex Arc #58
0:05:34
AQA GCSE PE: Structure of the Heart
0:01:39
AQA GCSE PE EPOC
0:06:50
GCSE Pupils Open Their Exam Results Live On Air | Good Morning Britain
0:03:34
AQA GCSE PE: The Functions Of The Skeleton | The Skeletal System | How To Pass GCSE PE | Paper 1
0:08:30
AQA GCSE PE: Structure and function of blood vessels
Комментарии