5.2 the senses

• Biologie
• Middelbare school
• vwo
• Leerjaar 1

The senses

Keywords

1st: think by yourself what did I understand?

2nd: talk with your neighbour about the video

3rd: we share it in the class

Explain the following keywords:

stimulus, 

sense & sensory organ

senses

vision - light rays

hearing - sound waves

smell - chemicals

taste - chemicals

feeling (pressure, temperature, pain and touch) - heat/cold etc.

five difficult words

1. detectors

2. pleasant 

3. receptors      

4. corrresponding              <--           

5. internal/external                       

1 detector/sensor

2 nice

3 reads a stimuli and changes it into an impulse (electrical signal)

4 matching

5 inside/outside

      

Match the correct adequate stimulus to the sensory organ

Sound

Taste

Light

Smell

Questions for 2

Could a stimulus be external and internal? (give an example)

Do you remember what a sensory receptor is?

What is a neuron?

Could give an example of an effector?

How are the effectors directed?

stimulus = external or internal change

sensory receptors = convert stimuli into electrical signals

neurons = bring these signals to your brain (impulses)

effectors = are told how to react by your brain (via impulses through neurons) that's your response

pathway

stimulus = external or internal change

sensory receptors = convert stimuli into electrical signals

neurons = bring these signals to your brain (impulses)

effectors = are told how to react by your brain (via impulses through neurons)  that's your response

workbook

5.2 page 122

assignment 4

If you eat spaghetti which senses do you use?

1. taste, hear, smell
2. taste, smell, see
3. touch, smell, see
4. touch, hear, see