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How does the heart contraction and what controls Heart Rate (HR)?

Myogenic contraction mechanism of the heart: The heart is myogenic and so the heart beats due to electrical activity from inside the heart itself. This is compared to muscle that contracts due to signals fro...
BD
Answered by Bethany D. • Biology tutor
2739 Views

Is the UK a two party system?

Firstly, what is the question asking?Essentially, this question is asking whether or not UK politics is dominated by just two parties (Conservative and Labour) or if instead minor parties have more of an inf...
JT
Answered by Jake T. • Politics tutor
22015 Views

A projectile is thrown from the ground at 30 degrees from the horizontal direction with an initial speed of 20m/s. What is the horizontal distance travelled before it hits the ground? Take the acceleration due to gravity as 9.8m/s^2

Draw diagram outlining the symmetric parabolic shape of the projectile's motion. Find vertical component of the initial speed using SOH CAH TOA. sin(30) = opposite/hypotenuse = x/30therefore, x = 30sin(30)ve...
RD
Answered by Raphael D. • Maths tutor
3529 Views

Two parents are both carriers for a genetic condition which is recessive. What is the percentage chance they will have a child affected by the condition?

I would approach explaining the answer to this question in a manner which was appropriate to the stage and understanding of the student. First I would check understanding of the meaning of the question and i...
TD
2567 Views

How do I conjugate regular verbs in the imperfect tense?

When conjugating regular verbs in the imperfect tense, use this rule: Take the ' nous' form of the word, e.g. for avoir, take: nous avons Remove the 'nous' and the 'ons' from the end of the verb, so that you...
ER
Answered by Emily R. • French tutor
2092 Views