Coordination and Response

Question 1

There are 2 Central Nervous Systems (CNS). Mention both of them.

Answer 1

Brain and Spinal Cord

Question 2

Reflex Arc uses CNS, but which one?

Answer 2

Spinal Cord

Question 3

What are synapses?

Answer 3

A junction between neurons

Question 4

What form does the information travel in neurons?

Answer 4

Electrical Impulse or Chemical Energy

Question 5

Our body communicates with two systems. Mention both of them.

Answer 5

Nervous system & Endocrine system

Question 6

In neurons, there is an axon that is covered by…

Answer 6

Myelin Sheath

Question 7

Where is the location of the cell body in the sensory neuron and motor neuron?

Answer 7

Sensory neuron in the middle, motor neuron in the end of the neuron

Question 8

Which neurons receive information from the receptors?

Answer 8

Sensory neuron

Question 9

Which neurons give an effect or act?

Answer 9

Motor neuron

Question 10

What are the branches in the cell body of the neuron cell?

Answer 10

Dendrites

Question 11

what is the function of the central nervous system?

Answer 11

It takes sensory information (from sensory neurons), and sends out orders to the rest of the body (by motor neurons

Question 12

What causes a noticeable change in an organism’s environment?

Answer 12

stimuli/stimulus

Question 13

Physical injuries, like a major car accident, can be very dangerous to nervous system health. How?

Answer 13

damaged nerves cannot send or receive signals

Question 14

What are the effectors of the nervous system?

Answer 14

muscles and glands

Question 15

What do motor neurons do?

Answer 15

They send signals from the CNS to the muscles to make them move.

Question 16

What does the brain do with sensory information?

Answer 16

The brain processes the information and decides how to respond.

Question 17

Where are impulses sent to, from the sensory neuron?

Answer 17

spinal cord

Question 18

what is homeostasis?

Answer 18

the ability to maintain a relatively stable internal environment

Question 19

what is the function of dendrites?

Answer 19

Dendrites receive the data or signals from another neuron

Question 20

What do receptors do?

Answer 20

Receptors detect changes/stimulus and send signals to the CNS

Question 21

Which part of the nervous system is responsible for carrying electrical impulses that are the means of communication?

Answer 21

axon

Question 22

Sensory organs in humans?

Answer 22

Ear, nose, tongue, skin, eyes

Question 23

What is the role of brain in the nervous system?

Answer 23

responsible for respons, sensations, movements, emotions, communication

Question 24

What are the three primary roles of spinal cords?

Answer 24

send motor commands from the brain to the body, send sensory information from the body to the brain, and coordinate reflexes.

Question 25

Where does the sensory neuron located?

Answer 25

Located in sensory organs (like eyes and skin), sending signals to the brain and spinal cord.

Question 26

Where does the relay neuron located?

Answer 26

Found in the brain and spinal cord, connecting sensory and motor neurons.

Question 27

Where is the cell body of a sensory neuron found?

Answer 27

the cell bodies of unipolar neurons are locataed in dorsal root ganglia

Question 28

What happens during a reflex arc?

Answer 28

A reflex arc is a pathway that includes a sensory neuron, an interneuron, and a motor neuron, allowing for a quick response.

Question 29

Where does the motor neuron located?

Answer 29

Found in the brain and spinal cord, sending signals to muscles to help us move

Question 30

What can affect our coordination?

Answer 30

Factors like fatigue, injury, or illness can affect our coordination.

Question 31

What is the sequence along which information travels during a reflex action?

Answer 31

receptors > sensory neuron > spinal cord > motor neuron > muscles

Question 32

What is a neurotransmitter?

Answer 32

A neurotransmitter is a chemical that helps transmit signals between neurons.

Question 33

The human nervous system is made of special cells called?

Answer 33

neurons

Question 34

How does information travel along neurons in an electrical form but travels between neurons in chemical form?

Answer 34

When the electrical signal reaches the end of the neuron, it releases chemicals called neurotransmitters leading to the synapse (gap between the neurons

Question 35

What is a sensory pathway?

Answer 35

A sensory pathway is a route that sensory information takes from receptors to the brain.

Question 36

When the signals reach the end of a neuron, what is the chemical name when it releases to the synapse (junction between neurons)?

Answer 36

(Neurotransmitters)

Question 37

What is the significance of the myelin sheath?

Answer 37

The myelin sheath speeds up the transmission of signals along the axon of a neuron.

Question 38

What is reflex action?

Answer 38

sudden, involuntary reactions of the body in response to stimuli

Question 39

What is the name of singular nerve cells?

Answer 39

Neurons

Question 40

What are the three types of neurons?

Answer 40

sensory, motor, and interneurons/relay

Question 41

When change in environment or temperature happens, how do our senses respond to the stimuli?

Answer 41

Our senses detect stimuli and sends them to the brain

Question 42

What is the function of the relay neuron?

Answer 42

allow sensory and motor neurons to communicate

Question 43

What are the advantages of reflex action?

Answer 43

To avoid injuries

Question 44

how does myelination affect the speed of nerve signal transmission?

Answer 44

Myelination helps nerve signals travel faster by covering the axon with a fatty layer. This allows the signals to jump between gaps, speeding up their movement compared to axons without myelin.

Question 45

What is an example of reflex action?

Answer 45

knee jerk reflex

Question 46

What is effector (muscle) function?

Answer 46

a structure that affects or sends a signal out

Question 47

What is the coordination of responses?

Answer 47

the ability to link stimuli to a response is called coordination

Question 48

What are specialized nerve cells that are responsible for transmitting sensory information from sensory receptors to the central nervous system (CNS)?

Answer 48

sensory neuron

Question 49

What transmits electrical impulses from the central nervous system to an effector?

Answer 49

motor neuron

Question 50

What is the part of the center that processes information and makes decisions called?

Answer 50

Brain

Question 51

What is a bundle of nerves that connects the brain to the rest of the body, relaying messages back and forth called?

Answer 51

spinal cord

Question 52

What is a bundle of axons called?

Answer 52

nerves

Question 53

What is the central nervous system a bundle of axons is called?

Answer 53

tract

Question 54

What is the single nerve fibre that carries nerve impulses away from a cell body called?

Answer 54

axon

Question 55

What is the nerve tissue that is made up of the brain and spinal cord?

Answer 55

Central nervous system

Question 56

What is the nerve tissue is made up of nerves that connect the brain and spinal cord to the rest of the body?

Answer 56

Peripheral nervous system

Question 57

A damage to the back spinal cord can cause damage to the body called..

Answer 57

paralysis

Question 58

What is the function of the nervous system?

Answer 58

coordination and regulation of body function

Question 59

What is the characteristic of a reflex action?

Answer 59

rapid action

Question 60

“Response → receptor →neurones → effector → stimulus” what is the right order?

Answer 60

Stimulus → receptor → neurones → effector → response

Question 61

Responses are carried out by organs or tissues known as?

Answer 61

Effector

Question 62

What are the two types of nervous system?

Answer 62

central nervous system and Peripheral nervous system

Question 63

What is a “reaction to a stimulus” called?

Answer 63

respons

Question 64

What is the sensory organ that facilitates human vision?

Answer 64

eye

Question 65

What is the sensory organ responsible for human auditory perception?

Answer 65

ears

Question 66

How do Neurons communicate with each other?

Answer 66

Neurons communicate through neurotransmitters that cross synapses

Question 67

What is the shortest neuron system?

Answer 67

relay neuron

Question 68

Which part of the nervous system is responsible for reflex actions?

Answer 68

spinal cord

Question 69

what is a disadvantage of reflex actions?

Answer 69

the response against stimuli would be slower and might be injurious, because the brain processes and analyzes information.

Question 70

what is a neurotransmitter?

Answer 70

our body's chemical messengers that carry messages from one neuron across a space to the next neuron