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Explain how a rise in blood pressure results in a decrease in the rate of heartbeat.

Baroreceptors detect the rise in blood pressure in the aorta, they send impulses to the cardiovascular centre. Then, impulses are sent via parasympathetic nerves to the SAN. This triggers the release of ACh,...
KS
12668 Views

How do I solve a simultaneous equation?

In a simultaneous equation, you have tow unknown constants. For example: 2x + y = 18; x − y = 6. To find out the values of each, you first need to find one. You do this by getting one constant on its own on ...
NL
Answered by Nat L. • Maths tutor
3851 Views

How do you say 'the best/worst/funniest/scariest thing is...'

In your Spanish GCSE written and oral exams, you will be asked for your opinion. One of the most popular ways to do this is to say 'the best/worst/funniest/scariest thing is...'There is a specific way to tra...
GH
Answered by Gabrielle H. • Spanish tutor
3124 Views

Explain the role of anti-diuretic hormone in osmotic homeostasis.

Anti-diuretic hormone (ADH) is produced by the hypothalamus and stored in the posterior pituitary gland. When the hypothalamus identifies the bloods osmotic pressure as being outside the homeostatic range, t...
JB
Answered by Jonathan B. • Biology tutor
4761 Views

Complete the square of 2x^2+16x-24 and hence state the minimum value of the function

2[(x^2+8x-12) [Explain basic complete the square technique]2[(x+4)^2 -16 -12]2[(x+4)^2-28]2(x+4)^2-56The term (x+4)^2 is always greater or equal to 0. So the smallest value it can have is 0. So the minimum v...
JS
Answered by Jake S. • Maths tutor
4481 Views