2 نسخة المعلم

Senses at work - lesson 4

1
Reaction time can be estimated from the time between..........
2
The shorter the reaction time, the............
3
The reaction time is always........
4
Sensory receptors, brain and nerves,.........
5
Reaction time has an important effect in all of the following situations except..........
6
When you see a car coming towards you,.......... to get away from it.
7
The brain can explain what you see faster than what you hear, this is because..........
8
When you hear a fire alarm and smell a smoke odour, all of the following play a role such that a person can survive and run away from this place except..........
9
When you hear the fire sirens, your......... send a signal to the brain.
10
In response to a danger,.......... play a critical role in transmitting nerve signals to and from the brain.
11
The response to a danger begins with.......... and ends with the suitable response.
12
The.......... the reaction time to a danger, the greater the chance of survival.