He diagram shows how blood circulates. The bar chart shows the amount of oxygen in blood at ositions A-D, but they are in the wrong order.
a. Which vessels did the blood sample X and Y come from? (mention the letters from diagram I)
b. Name the parts labelled as A, C, and E.
c. What happens if the artery supplying oxygenated blood to the brain is blocked?​

Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

Where in the cell are ribosomes made?