Zusammenfassung der Ressource
Frage 1
Antworten
-
A gap between cells that slows responses down.
-
A junction between two nerve cells, consisting of a minute gap across which impulses pass by diffusion of a neurotransmitter.
Frage 2
Frage
The receptors are found in [blank_start]sense organs[blank_end]: the [blank_start]eyes[blank_end], the [blank_start]ears[blank_end], the [blank_start]nose[blank_end], the [blank_start]mouth[blank_end] and the [blank_start]skin[blank_end].
Antworten
-
sense organs
-
eyes
-
ears
-
nose
-
mouth
-
skin
Frage 3
Frage
[blank_start]Sensory neurons[blank_end] carry impulses from the receptors to the CNS. [blank_start]Motor neurons[blank_end] carry impulses from the CNS to effector organs, which may be muscles or glands.
Antworten
-
Sensory neurons
-
Motor neurons
Frage 4
Frage
The main steps in reflex actions are:
1. A receptor detects a stimulus.
2. A sensory neutron transmits the impulse to the CNS.
3. A relay neutron passes the impulse on.
4. A motor neurone is stimulated.
5. The impulse passes to an effector.
6. Action is taken.
Frage 5
Frage
Label this reflex arc.
Antworten
-
Relay neuron
-
Sensory neuron
-
Motor neuron
-
CNS