ANS. Reflex Nature and Behavior.

What is a reflex?

• A planned action

• A slow response

• An automatic response to a stimulus

• A voluntary movement

Which system controls reflexes?

• Circulatory system

• Nervous system

• Digestive system

• Respiratory system

What is the function of sensory neurons?

• Carry signals to the brain

• Move muscles

• Control digestion

• Pump blood

Where does a reflex action happen?

• In the brain

• In the spinal cord

• In the heart

• In the stomach

Which of these is an example of a reflex?

• Writing a letter

• Blinking when something comes close to your eye

• Playing football

• Cooking food

What is the role of motor neurons?

• Detect changes in the environment

• Carry signals from the brain or spinal cord to muscles

• Control heartbeat

• Help in digestion

Which part of the nervous system controls involuntary actions like reflexes?

• Autonomic nervous system

• Endocrine system

• Digestive system

• Circulatory system

What is the function of interneurons?

• Connect sensory and motor neurons

• Send signals to muscles

• Pump blood

• Control breathing

What is the first step in a reflex action?

• Muscle movement

• Brain thinking

• Stimulus detection

• Sweating

Why are reflexes important?

• They slow down responses

• They help protect the body from danger

• They control voluntary movements

• They make digestion faster