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Animal Transport Systems Group What is the habitat? Insect- locust Fish- kahawai Air breathing – land and Water breathing - under air and on water water Mammal- sheep Air breathing – on land, air and under water What is transported? Food, hormones Food, Oxygen, carbon dioxide, hormones Food, Oxygen, carbon dioxide, hormones, heat Is circulatory system open or closed? Open circulatory system - Body is fluid filled Closed circulatory system Closed circulatory system Is Oxygenated and deoxygenated blood separate or mixed? What is the transport medium? Blood is not oxygenated Oxygenated and deoxygenated blood is mixed Oxygenated and deoxygenated blood is kept separate Haemolymph blood blood How many circuits are there? Two circuits – heart to None One circuit of the body lungs to heart and heart to body to heart What are the pumping Dorsal vessel – tubular Heart has 2 chambers – Heart has 4 chambers – organs? heart atrium and ventricle left and right atrium and ventricle What is the order of Rhythmic pumping from Atrium to ventricle to Right atrium (RA) to R pumping? tail to head gills to body cells to ventricle to lungs to LA sinus venosus to atrium atrium to LV to body What are the pigments / Haemoglobin – red Haemoglobin – red cells? There are no pigments blood cells blood cells What are the important vessels in the system? Forward to the head out via the dorsal aorta Arteries, arterioles, capillaries, venules, veins Through arteries with thick walls to the gills Arteries, arterioles, capillaries, venules, veins Through arteries to the lungs (deoxygenated) or the body (oxy) Dorsal vessel Where does the blood flow from the pump? How are nutrients delivered to the cells? Cells bathed in fluid capillaries capillaries How does blood get to the pump? In through the ostia In via veins In via veins What is the pressure in the transport system? Are there any aids to blood flow? Group There is little pressure Leaves heart under high Leaves heart under high pressure and returns pressure – 2 circuits – sluggish via gills/ body returns lower pressure Peristaltic contractions Water pressure and tail Elastic arteries and non of the muscles in the movement aid blood return valves in veins chamber walls flow Insect- locust Fish- kahawai Mammal- sheep Group Insect- locust What is the habitat? What is transported? Fish- kahawai Water breathing - under water Food, hormones Is circulatory system open or closed? Is Oxygenated and deoxygenated blood separate or mixed? What is the transport medium? How many circuits are there? Closed circulatory system Blood is not oxygenated blood None What are the pumping organs? Heart has 4 chambers – left and right atrium and ventricle What is the order of pumping? Atrium to ventricle to gills to body cells to sinus venosus to atrium What are the pigments / cells? What are the important vessels in the system? Mammal- sheep Haemoglobin – red blood cells Dorsal vessel Where does the blood flow from the pump? Through arteries with thick walls to the gills How are nutrients delivered to the cells? capillaries How does blood get to the pump? In via veins What is the pressure in the transport system? There is little pressure Are there any aids to blood flow? Group Insect- locust Water pressure and tail movement aid blood flow Fish- kahawai Mammal- sheep Right atrium (RA) to R ventricle to lungs to LA atrium to LV to body Atrium to ventricle to gills to body cells to sinus venosus to atrium Arteries, arterioles, capillaries, venules, veins In via veins Leaves heart under high pressure – 2 circuits – returns lower pressure None Water pressure and tail movement aid blood flow Oxygenated and deoxygenated blood is kept separate Heart has 2 chambers – atrium and ventricle Blood is not oxygenated Haemoglobin – red blood cells Dorsal vessel – tubular heart There are no pigments Dorsal vessel Arteries, arterioles, capillaries, venules, veins Forward to the head out via the dorsal aorta Through arteries with thick walls to the gills Cells bathed in fluid capillaries In via veins Water breathing - under water In through the ostia Peristaltic contractions Leaves heart under high of the muscles in the pressure and returns chamber walls sluggish via gills/ body One circuit of the body Food, Oxygen, carbon dioxide, hormones, heat Closed circulatory system Haemolymph Blood Air breathing – on land, air and under water Elastic arteries and non Food, Oxygen, carbon Open circulatory system return valves in veins dioxide, hormones - Body is fluid filled Air breathing – land and Heart has 4 chambers – Closed circulatory air and on water left and right atrium and system ventricle Rhythmic pumping from Through arteries to the Haemoglobin – red tail to head lungs (deoxygenated) or blood cells the body (oxy) blood capillaries There is little pressure Oxygenated and deoxygenated blood is mixed Food, hormones Two circuits – heart to lungs to heart and heart to body to heart