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Describe the course taken by a deoxygenated red blood cell returning to the heart from the circulation, naming any vessels or chambers along its course.

Following its return to the right atrium via the vena cava, the RBC passes through the mitral valve and into the right ventricle. Upon ventricular contraction, the RBC is ejected via the pulmonary valve a...

WB
Answered by William B. Biology tutor
2961 Views

In which order do the direct and indirect object pronouns appear in Spanish?

In Spanish the indirect object pronoun (me, te, le etc.) will come before the direct object pronoun (lo, la etc.), in structures such as in simple sentences, at the end of infinitives an...

CG
Answered by Cameron G. Spanish tutor
2839 Views

Describe how Homer makes Books 9-12 of the Odyssey vivid ?

During these books, Homer creates a flashback sequence narrated by the protagonist Odysseus himself. This is exciting for the reader as finally, we can witness Odysseus creativity firsthand in his storyte...

ST
6162 Views

How do negative and positive feedback loops occur and how are they different?

Think of them as a flow chart.

Stimulus (a change)
    |
Sensor (detects the change)
    |
Control (sends a signal about t...

EC
Answered by Emma C. Biology tutor
7733 Views

How do you prove the formula for the sum of n terms of an arithmetic progression?

An arithematic progression has terms in a sequence such that the difference between any two consecutive terms is a constant and is given by a common difference, say, d. If first term in the progression is...

NB
10029 Views

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