B10 Human Nervous System

What does homeostasis maintain optimal conditions for in the human body?

• Enzyme action and cell functions

• Muscle growth and repair

• Bone density and strength

• Hair and nail growth

Which of the following is NOT controlled by homeostasis in the human body?

• Blood glucose concentration

• Body temperature

• Water levels

• Heartbeat rhythm

What are the two main components of the human nervous system?

• Central nervous system and peripheral nervous system

• Endocrine system and digestive system

• Respiratory system and circulatory system

• Muscular system and skeletal system

What is the role of receptors in the control systems of the body?

• To detect stimuli

• To coordinate responses

• To release hormones

• To transport oxygen

What is a bundle of neurones called?

• A nerve

• A synapse

• A ganglion

• A dendrite

What are the three main types of neurones?

• Sensory, motor, and relay

• Sensory, motor, and connective

• Motor, relay, and connective

• Sensory, relay, and connective

What is the function of the axon in a neurone?

• To receive impulses from other neurones

• To carry messages up and down the body

• To store nutrients

• To produce energy

What is the role of dendrons in a neurone?

• To send impulses to muscles

• To branch further as dendrites and receive impulses

• To insulate the axon

• To produce neurotransmitters

What is the role of the central nervous system (CNS) in the body?

• It detects changes in the environment.

• It coordinates the response of effectors.

• It produces hormones.

• It stores nutrients.

Which of the following is a stimulus detected by receptors in the skin?

• Light

• Sound

• Touch

• Chemicals