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What is a reflex arc and why is it important?

A reflex arc is made up of a receptor (which detects a stimulus), a sensory neurone , a relay neurone , a motor neurone and an effector (which brings about a response). The neurones are not joined to each ot...
JB
Answered by Janella B. • Biology tutor
5380 Views

A class of pupils were asked about how they travelled to school on a particular day. 1/6 of the pupils were driven to school in a car. 2/5 of the pupils took the bus. The rest of the pupils walked to school. Calculate the fraction of pupils who walk

The total amount of student would be represented by 1 or 100%. The pupils are split into three categories meaning the total must add up to 1. Therefore to find the remaining pupils who walked to school we si...
JZ
Answered by Jane Z. • Maths tutor
7107 Views

Write 120 as a product of its prime factor

What are Prime Numbers? Prime numbers by definition are numbers that cannot be divided by any other number but itself and 1. For e.g. 2 is a prime as it can only be divided by 2 and 1 and nothing else. One t...
KP
Answered by Kai P. • Maths tutor
36863 Views

What is the difference between the past and the imperfect tense?

French has two commonly used past tenses. These are the past (passé composé) and the imperfect (imparfait). Although they can be used in similar situations, there are some differences between them, and under...
TD
Answered by Tutor55170 D. • French tutor
4618 Views

Outline an example of a reflex action

Stimulus - receptor - sensory neuron - (dorsal) spinal cord - (ventral) spinal cord - motor neuron - muscle/effector - response
TA
Answered by Tunmise A. • Biology tutor
3056 Views