UNIT
4
THE INTERACTION FUNCTION
DATE:
1. DETECTING THE ENVIRONMENT
Objectives

To study how interaction function allows us to detect the environment.

To learn about sense organs
Vocabulary
Interact
receptor
sense
send
perceive
Carry out
Nervous impulse
quick
lasting
stimulus
stimuli
sensitive
capture
scattered
response
hormone
slow
Concepts
1.1. Perception of stimuli (page 52)
1.2. Information processing (page 52)
1.3.The response (page 52)
Homeworks
Resume los apartados 1 y 2 en español. Realiza un dibujo esquemático de cada
órgano sensitivo nombrando sus principales partes.
Activities
What is the interaction function?
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1
Define stimulus.
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Write three example of stimulus.
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Define receptor
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How many receptor are there?. Write the different types.
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Write the names of the five sensory receptor
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Define effectors
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Explain the differences between nervous coordination and endocrine
coordination
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What types of effectors are there?
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Make an diagram of how to carry out the interaction function
2
2. THE SENSE ORGANS
Objectives

To learn about sense organs

To understand how the sense organs work.
Vocabulary
Smell
Touch
Taste
Sight
Hearing
Ear drum
Tear
nose
skin
tongue
eye
balance
eyebrow
Lid
impulse
taste buds
pupil
ear
Eyelash/es
Concepts
2.1. Organ of the smell
2.2. Organ of the touch
2.3. Organ of the taste
2.4. Organ of hearing and balance.
2.5. Organ of the sight
Homeworks
Resumen de los apartados 3 y 4 en español.
Activities
Mark where they are located and what stimuli receive :
Sense
Location
Smell
Touch
Taste
stimuli
. Complete the drawings with the names of the identified structures
3
What senses are located in the ear?. Where are located their receptors?
Sense
Location
Put the following structures in the corresponding part of the ear: cochlea,
ossicular chain, semi-circular canals, ear drum, auditory canal..
EXTERNAL EAR
MIDDLE EAR
INNER EAR
Complete the drawings by writing in the numbered structures
4
Explica brevemente el mecanismo de la audición.
Explica brevemente cómo funciona el órgano del equilibrio
Where are the eye receptors located?
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Complete the drawings by writing in the numbered structures
Explica brevemente el mecanismo de la visión
5