Call Girls Frazer Town Just Call 7001305949 Top Class Call Girl Service Avail...
L 12. The Circulatory System New
1. The Circulatory System Homework: Research and make half a page notes: how blood carries oxygen, how it transport glucose/food, and how blood helps fight against diseases . Due by Monday!!
2.
3.
4.
5.
6.
7. Draw and label septum http://www.bbc.co.uk/schools/gcsebitesize/biology/humansasorganisms/1circulationrev2.shtml
8.
9.
10. Mainly carry deoxygenated blood Have thick muscle and elastic tissue Blood flows under low pressure Pulsate Rarely pulsate Go away from the heart Have valves ARTERIES VEINS The difference between arteries and veins
11.
12. Contents of the blood Red blood cells Oxygen is carried in the haemoglobin, which gives these cell its red colour. Red blood cells are produced in red bone marrow. Plasma Is watery and makes up about 55% of our blood. Carries nutrients from food, waste from body cells and hormones. White cells This is the bodys self defence (immune) system against diseases. They produce antibodies to destroy bacteria.