WebCarries deoxygenated blood from the heart to the lungs. Pulmonary Vein. Carries oxygenated blood from the lungs to the heart. Right Atrium. Upper left chamber of the … WebBlood leaves the heart through the main artery, the aorta. The heart contains valves to prevent the blood flowing backwards: the right side has a tricuspid valve (a valve with …
GCSE Biology - The Heart #23 - YouTube
WebThe heart structure The heart is labelled as if it was in the chest so what is your left on a diagram is actually the right-hand side (and vice versa) The right side of the heart … WebVentilation of the lungs. Air passes through the following structures when we breathe in: Trachea. Bronchus (plural: bronchi) Bronchiole. Alveoli (the site of gas exchange where oxygen diffuses into the blood and carbon dioxide diffuses out) The diaphragm is a thin sheet of muscle that separates the chest cavity from the abdomen; it is ... djeca kukuruza
The heart - Cellular respiration and transport - Edexcel - GCSE ...
WebAQA Biology GCSE Unit 4.2 Organisation Label the following blood vessels on the diagram of the heart: Describe how smoking tobacco affects: Adults Can cause lung disease, including cancer, and cardiovascular disease. Unborn babies Can result in low birth weight and premature birth. Label the following parts on the diagram below: a b c WebThe right ventricle is pumping blood at lower pressure to the lungs. A muscle wall called the septum separates the two sides of the heart. Blood is pumped towards the heart in veins … WebBeyond's The Heart Worksheets are available at two levels and include the structure of the heart, what is a double circulatory system and why we have one. Activities range from word fills, labelling diagrams and colouring the pathways of oxygenated and deoxygenated blood. For more heart-centred resources, try out our Labelled Diagram of the Heart Activity! djeca medija