Identify, on diagrams and images, the larynx, trachea, lungs, bronchi, bronchioles, alveoli and associated capillaries
Questions and Answers
Investigate and explain the differences between inspired and expired air
Investigate and explain the differences between inspired and expired air
State the percentages of the gases in atmospheric air
State the percentages of the gases in atmospheric air
Describe the features of gas exchange surfaces in humans, limited to: large surface area, thin surface, good blood and air supply
Describe the features of gas exchange surfaces in humans, limited to: large surface area, thin surface, good blood and air supply
State the function of the hepatic portal vein as the route taken to the liver by most of the molecules and ions absorbed from the ileum
State the function of the hepatic portal vein as the route taken to the liver by most of the molecules and ions absorbed from the ileum
Understand that water is absorbed from the lumen of the small intestine and the colon, but that most absorption of water happens in the small intestine
Understand that water is absorbed from the lumen of the small intestine and the colon, but that most absorption of water happens in the small intestine
Explain the significance of villi and microvilli in increasing the internal surface area of the ileum
Explain the significance of villi and microvilli in increasing the internal surface area of the ileum
Describe the structure of a villus and the roles of capillaries and lacteals
Describe the structure of a villus and the roles of capillaries and lacteals
Understand that assimilation is the uptake and use by cells of nutrients from the blood
Understand that assimilation is the uptake and use by cells of nutrients from the blood
Understand that absorption (by diffusion, osmosis and active transport) is the movement of nutrients from the intestines into cells lining the digestive system and then into the blood
Understand that absorption (by diffusion, osmosis and active transport) is the movement of nutrients from the intestines into cells lining the digestive system and then into the blood