Coordination in Mammals

Which of the following best describes the function of a sensory neurone?

• Transmits signals from the brain to muscles

• Connects sensory and motor neurons

• Transmits signals from sensory receptors to the brain

• Maintains the resting potential of neurons.

The resting potential of a neuron is maintained by the movement of ions across the membrane. Which ion is primarily involved in this process?

• Calcium

• Sodium

• Potassium

• Chloride

Which system in mammals consists of nerves that transmit information in the form of electrical impulses?

• Endocrine system

• Nervous system

• Digestive system

• Respiratory system

The endocrine system consists of _______ that secrete chemical messengers called hormones.

• nerves

• muscles

• endocrine glands

• bones

Which of the following is a part of the Central Nervous System (CNS)?

• Cranial nerves

• Spinal nerves

• Brain

• Peripheral nerves

The Peripheral Nervous System (PNS) is composed of ______.

• Brain and spinal cord

• Cranial nerves, spinal nerves, and peripheral nerves

• Relay neurons

• Sensory and motor neurons

Which part of the nervous system is responsible for 'fight or flight' responses?

• Central Nervous System

• Parasympathetic Division

• Sympathetic Division

• Somatic Nervous System

The _______ Nervous System controls voluntary movement.

• Autonomic

• Somatic

• Central

• Peripheral

Which type of neuron transmits impulses from receptors to the central nervous system (CNS)?

• Sensory neurones

• Intermediate (relay) neurones

• Motor neurones

Fill in the blank: ________ neurones transmit impulses from the CNS to effectors (muscle/gland).

• A) Sensory

• B) Intermediate (relay)

• C) Motor