Question 1

What is a neuron?

Accepted Answer

A nerve cell that sends messages around the body.

Answer

A response to stimuli

Answer

A type of hormone

Answer

A gland in the brain

Question 2

What does the Central Nervous System (CNS) consist of?

Accepted Answer

The brain and spinal cord.

Answer

The heart and lungs

Answer

The stomach and intestines

Answer

All the nerves outside the brain

Question 3

Where is the synapse found?

Accepted Answer

In the tiny gap between two neurons.

Answer

Between a neuron and a muscle

Answer

In the spinal cord

Answer

In the heart

Question 4

What is the function of hormones?

Accepted Answer

Chemical messengers that travel in the blood to tell organs what to do.

Answer

Neurons in the brain

Answer

Cells that build tissues

Answer

Muscles that contract

Question 5

What do the adrenal glands release during stress?

Accepted Answer

Stress hormones like adrenaline and cortisol.

Answer

Growth hormones

Answer

Digestive enzymes

Answer

Electrolytes

Question 6

What is the amygdala's role in the brain?

Accepted Answer

It detects fear and helps start the stress response.

Answer

It regulates sleep cycles

Answer

It controls hunger

Answer

It manages body temperature

Question 7

What does negative feedback do in the body?

Accepted Answer

Reverses changes and brings things back to normal.

Answer

Amplifies changes continuously

Answer

Increases hormone production

Answer

Stops body functions

Question 8

How does the fight-or-flight response affect the body?

Accepted Answer

Prepares the body to either fight or run from danger.

Answer

Promotes relaxation

Answer

Enhances digestion

Answer

Slows down heart rate

Question 9

What is homeostasis?

Accepted Answer

The body's way of keeping things balanced and stable.

Answer

A form of muscle contraction

Answer

A type of food processing

Answer

An energy storage mechanism

Question 10

What triggers a reflex response?

Accepted Answer

A fast, automatic response to something.

Answer

A long-term thought process

Answer

A decision made by the brain

Answer

A learned behavior

Question 11

What is negative feedback?

Accepted Answer

A loop that reverses changes and brings things back to normal.

Answer

A type of stress response

Answer

An increase in nerve signals

Answer

A form of chemical reaction

Question 12

What is the fight-or-flight response?

Accepted Answer

The body’s quick reaction to danger.

Answer

A long-term stress response

Answer

A method of hormone release

Answer

A type of negative feedback

Question 13

What is a hormone?

Accepted Answer

A chemical messenger that travels in the blood to tell organs what to do.

Answer

A component of the CNS

Answer

A gum that helps with stress

Answer

A type of nerve cell

Question 14

What is a reflex?

Accepted Answer

A fast, automatic response to something.

Answer

A type of hormone release

Answer

A slow voluntary action

Answer

A conscious decision

Question 15

What is a synapse?

Accepted Answer

The tiny gap between two neurons where messages pass.

Answer

A type of neuron

Answer

A kind of hormone

Answer

The main part of the brain

Question 16

What hormone lowers blood sugar?

Accepted Answer

Insulin

Answer

Glucagon

Answer

Adrenaline

Answer

Cortisol

Question 17

Which gland is known as the master gland?

Accepted Answer

Pituitary Gland

Answer

Thyroid Gland

Answer

Pineal Gland

Answer

Adrenal Glands

Question 18

What part of the brain detects fear?

Accepted Answer

Amygdala

Answer

Cerebellum

Answer

Hypothalamus

Answer

Frontal Lobe

Question 19

What is homeostasis?

Accepted Answer

The body’s way of keeping things balanced and stable.

Answer

A type of feedback mechanism

Answer

A hormone regulating blood pressure

Answer

The stress response mechanism

Question 20

What does cortisol do?

Accepted Answer

Helps keep your body on alert during longer stress.

Answer

Increases blood sugar levels

Answer

Decreases heart rate

Answer

Stimulates hormone release from the pancreas

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