B5 - UT1: Coordination and Response

The target organ releases glucose into the bloodstream due to adrenaline action.

• Adrenal gland

• Kidney

• Liver

• Pancreas

It can have an axon that is more than a metre long.

• Relay

• Motor

• Sensory

• Systematic

It carries nerve impulses away from a receptor.

• Motor

• Sensory

• Relay

• Systematic

It has its cell body in the central nervous system.

• Motor

• Sensory

• Relay

• Systematic

It is entirely inside the central nervous system.

• Motor

• Sensory

• Relay

• Systematic

It carries nerve impulses towards its cell body.

• Relay

• Sensory

• Motor

• Memory

The action of the ciliary muscle when the eye is focusing on a nearby object.

• Relaxation

• Contraction

• Conjunctiva

• Synaptic cleft

A plant hormone which causes cells to elongate.

• Gravitropism

• Pancreas

• Tropisms

• Auxin

Which part of the human eye is sensitive to light?

• Iris

• Lens

• Optic Nerve

• Retina

A nerve cell that transmits impulses from the central nervous system to an effector.

• Motor neurone

• Relay neurone

• Sensory neurone

• Receptor