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Describe the blood flow through the heart

Venous blood enters the heart through the vena cava, it drains into the right atrium. The blood then flows through the tricuspid valve into the right ventricle. When the heart contracts the blood is ejected ...
AU
Answered by Alexandra U. • Biology tutor
7800 Views

How do I conjugate a pronominal verb in the present tense?

Pronominal verbs in French are usually reflexive verbs, meaning that the action of the pronominal verb is something that you do to yourself, which reflects on you. For example, “ se brosser les dents” is a p...
TD
Answered by Tutor51954 D. • French tutor
6311 Views

Solve X^2 - 10X + 18=0

This is solving a quadratic equation. There are two ways we can solve this. Using the quadratic equation or completing the square. 1. Quadratic equation-The equation is in the form ax^2 + bx + c. Where a=1 b...
BM
Answered by Ben M. • Maths tutor
9064 Views

What is the difference between the passé composé tense and the imperfect in french

There are two crucial differences between the two tenses, the first being when you use it and secondly how you form each of them. The passé composé is COmposed of two parts of verbs, for example j'ai fait, I...
RO
Answered by Richard O. • French tutor
3332 Views

How does the body control blood glucose levels?

The pancreas is the main organ involved with controlling blood glucose levels. It is situated in the abdomen just below the stomach. It consists of alpha and beta cells which are arranged into clusters known...
AS
Answered by Adeola S. • Biology tutor
4256 Views