Nervous system

A change in the environment which gives rise to a response is called a ......

Tags

NGSS.MS-LS1-5

A ___________ is a group of cells which detect a stimulus and send an ___________ along nerves.

• Gland. Impulse.

• Gland. Hormone.

• Receptor. Hormone.

• Receptor. Impulse.

Impulses are ________ signals that travel _______________.

• chemical

• electrical

• in the blood

• along a nerve

The central nervous system consists of......

• brain.

• heart.

• receptors and effectors.

• spinal chord.

• nerves.

A reflex arc.......

• is an automatic response to a stimulus.

• is sent from the receptor to the brain and then then effector.

• involves both the brain and the spinal chord.

What letter is the sensory neuron labelled in the diagram?

Which neuron is labelled C in diagram?

The Motor Neuron carries impulses from the _______ to the ________.

• CNS. Receptor.

• CNS. Effector.

• Receptor. CNS.

• Effector. CNS.

An ________ produces a response, can be a muscle or gland.

Where does the co-ordinator receive impulses from and and where does it send the impulse to?

• From receptor. To effector.

• From effector. To receptor.

• From CNS. To effector.