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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
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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
4888 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
4595 Views

Qué hacer el fin de semana/ qué quieres hacer durante las vacaciones?

Estas son algunas ideas de lo que puedes hacer en tus días libres. Primero, es importante aprovechar el tiempo libre para relajarme, divertirme, estar con mis seres queridos y tomar tiempo para reflexionar s...
CS
Answered by Charlotte S. • Spanish tutor
3349 Views

Consider the transition metal complex [CoCl3(CO)3]. What is a) The oxidation state of the metal centre. b) The dn configuration of the metal centre. c) The co-ordination number of the metal centre.

a) +3. Cl ligands carry a negative charge while CO ligands are neutral so the all together the ligands have a charge of -3. Since the complex is neutral overall, the metal must cancel out the charge of the l...
RS
Answered by Robert S. • Chemistry tutor
9496 Views