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Explain the nervous pathway reflex when touching something hot (5 marks)

The stimulus/heat is detected by receptors in the hand It sends an impulse via sensory neurones to the spinal cord/CNSChemicals are transmitted via the synapses and diffuses across the gap The impulses tr...

LH
Answered by Lia H. Biology tutor
2576 Views

How does William Golding explore human brutality in 'Lord of the Flies'?

Character juxtaposition: Golding juxtaposes the characters of Ralph and Jack in order to demonstrate man's capacity for brutality and cruelty. Ralph's actions in the first half of the novel are guided by ...

HA
5834 Views

Calculate the length of the hypotenuse of a right-angled triangle when the other two sides measure 6cm and 9cm.

Pythagoras theorem which applies to right angled triangles is summarised by the following formula: c2= a2 + b2 where 'c' is the hypotenuse of the triangle, whilst 'a' and...

GS
Answered by Gajendra S. Maths tutor
4193 Views

N sweets in a bag. 6 sweets are orange. The rest are yellow. Hannah takes a random sweet from the bag and eats it. She then takes another random sweet from the bag & eats it. The probability Hannah eats 2 orange sweets is 1/3. Show n^2 - n - 90 = 0.

It's a probability equation. The probability of getting an orange sweet the first time is 6/n. The probability of getting an orange sweet the second time is 5/n-1Times those together to get the probabilit...

HB
Answered by Hannah B. Maths tutor
4091 Views

What is the role of ADH in water homeostasis?

Homeostasis is maintaing the body's internal environment. Antidiuretic Hormone (ADH) is synthesised in the hypothalamus and secreted by the pituitary gland in response to low water in the body. It acts on...

JA
Answered by Jemimah A. Biology tutor
10403 Views

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