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What are the differences between the structure and function of arteries and veins?

Arteries are blood vessels that carry blood away from the heart . They have thicker walls than veins in order to cope with far higher blood pressure levels. Arteries also have a thicker layer of smooth muscl...
WH
Answered by William H. • Biology tutor
11180 Views

Why do we use the dative case?

The dative is used to show that a noun is an indirect object in the sentence. This means it is the person or thing receiving the action. For example: 'Der Mann gibt dem Hund einen Knochen'. So here, the man ...
MR
Answered by Molly R. • German tutor
2304 Views

By Differentiating from first principles, find the gradient of the curve f(x) = x^2 at the point where x = 2

This qustion can be solved easily using the gradient formular, m = ∆y/∆x, and some simple algrebra. The gradient at the point x = 2 is calculated by find the gradient of a tangent at x = 2. To find this we i...
HF
3998 Views

Relata en 100 palabras tus vacaciones favoritas. Puedes hablar de el lugar, tus acompañantes, y las actividades que hiciste.

Durante mis vacaciones favoritas, pasé la navidada en la República dominicana con mi familia. Fueron mis vacaciones favoritas ya que solo veo a mi familia una vez al año. Además, hay muchas cosas que hacen e...
MD
7599 Views

How and with what success did the Nazis establish effective control over German society 1933-45?

This question allowed for students to give a nuanced argument about the effectiveness of Nazi control over German society. In a good essay answer the important things to focus on are: - Structure of the essa...
CM
Answered by Carla M. • History tutor
2439 Views