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Why does the left side of the heart contain more muscle?

The left side of the heart contains oxygenated blood delivered by the pulmonary vein from the lungs. This blood must be pumped to the rest of the body, therefore more muscle is required to generate enough...

Answered by Frederikke M J. Biology tutor
2354 Views

Explain what is meant by a sense of place?

This is a highly personal connection someone has with a place usually through experiencing them first-hand. It forms their perceptions of the place and is unique to them.

Answered by Henry C. Geography tutor
1937 Views

Explain why a skill may be classified as open?

An open skill is one which is externally paced and is controlled by the environment around the performer. Movements must be adapted to this change in the environment. For example, a hockey midfielder look...

Answered by Physical Education tutor
1885 Views

When do I use the imperfect tense and when do I use the perfect tense?

Both the perfect and the imperfect are past tenses. This means that they're both used to describe actions that have already happened.However, there are different uses for each tense. The imperfect is used...

Answered by Emilie T. French tutor
1389 Views

Two masses A and B, 2kg and 4kg respectively, are connected by a light inextensible string and passed over a smooth pulley. The system is held at rest, then released. Find the acceleration of the system and hence, find the tension in the string.

First we draw a diagram of this system (on whiteboard). Remember to label diagram correctly - the tension on both sides act towards each other.
Since B is a larger mass, we know that mass A will mov...

Answered by Maths tutor
4825 Views

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