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❖ The correct answer choice is B. ribosomes.
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Different colored bands in each solvent signify the different materials that are found in the substance that is been analysed.
The green band in the solvent represent the green chlorophyll which are found in leaves. Chlorophyll is the substance which gives the plants the capacity to trap energy from the sun for production of food.
Answer:
As the blood pressure in each of the blood vessels is measured, it can be predicted to be lowest in the capillaries.
Explanation:
Options for this question are:
- <em>Artery.</em>
- <em>Arteriole.</em>
- <em>Capillaries.</em>
- <em>Venule.</em>
- <em>Vein.</em>
Once the blood leaves the heart, it is distributed in a network of arterial vessels -arteries and arterioles- that bridge the venules and veins through the capillaries. Blood pressure depends on the pumping strength of the heart and the force that blood produces on the vessel walls. There is a marked difference between arterial and venous pressure. Some conclusions can be drawn from this:
- <em>Blood pressure is higher the closer the vessel is to the heart.
</em>
- <em>The larger the vessel, the more blood is contained and the more blood pressure is recorded.
</em>
Based on this, it can be deduced that the blood vessels with the lowest pressure are the capillaries, with very thin walls and where gas and nutrients or metabolites enter and leave the vessel.
The question gives an answer, but does not explain why.
Learn more:
Hydrostatic pressure in capillaries brainly.com/question/6771614
Correct answer: C) Increasing surface area to improve nutrient absorption between the digestive and circulatory systems
The small intestine contains a large number of small finger-like projections called villi, which increases the intestinal surface area and help in the absorption of nutrient from the intestine.
These villi consist of numerous blood vessels, which absorb the food and transport it to the bloodstream.
