body systems

Question 1

Nervous system

Answer 1

Function: Controls and coordinates body activities by transmitting signals between different parts of the body.
Key Organs: Brain, spinal cord, nerves
Role: Responds to stimuli, regulates body functions, enables thought, emotion, and movement.

Question 2

Endocrine system

Answer 2

Function: Produces hormones that regulate metabolism, growth, and mood.
Key Organs: Pituitary gland, thyroid, pancreas, adrenal glands
Role: Maintains long-term regulation of body processes.

Question 3

Immune system

Answer 3

Function: Defends the body against pathogens and disease.
Key Components: White blood cells, lymph nodes, spleen
Role: Identifies and destroys harmful invaders.

Question 4

Skeletal system

Answer 4

Function: Provides structure, support, and protection for the body.
Key Components: Bones, cartilage, ligaments
Role: Supports movement and protects vital organs.

Question 5

Excretory system

Answer 5

Function: Removes waste products and excess substances from the body.
Key Organs: Kidneys, bladder, ureters, skin
Role: Maintains water and chemical balance.

Question 6

Integumentary system

Answer 6

Function: Protects the body from external damage and regulates temperature.
Key Components: Skin, hair, nails, sweat glands
Role: Acts as a barrier and helps with temperature control.

Question 7

Circulatory system

Answer 7

Function: Transports oxygen, nutrients, hormones, and waste products throughout the body.
Key Organs: Heart, blood vessels, blood
Role: Maintains internal balance by delivering essentials and removing waste.

Question 8

Muscular system

Answer 8

Function: Enables movement of the body and internal organs.
Key Components: Skeletal muscles, smooth muscles, cardiac muscle
Role: Works with the skeletal system for movement and posture.

Question 9

Reproductive system

Answer 9

Function: Enables reproduction and continuation of the species.
Key Organs: Ovaries, testes, uterus, penis
Role: Produces gametes and supports foetal development (in females).

Question 10

Respiratory system

Answer 10

Function: Facilitates gas exchange—oxygen in, carbon dioxide out.
Key Organs: Lungs, trachea, diaphragm
Role: Supplies oxygen for cellular respiration and removes carbon dioxide.

Question 11

Digestive system

Answer 11

Function: Breaks down food into nutrients and absorbs them into the bloodstream.
Key Organs: Mouth, stomach, intestines, liver, pancreas
Role: Provides energy and building blocks for cells.

Question 12

Homeostasis

Answer 12

A state of balance among all the body systems, in order for your body to survive and function properly.

Question 13

frontal lobe

Answer 13

Decision making, problem solving

Question 14

occiptal lobe

Answer 14

Vision

Question 15

parietal lobe

Answer 15

Sensory processing, spatial awareness

Question 16

cerebellum

Answer 16

Balance, motor skills

Question 17

brain stem

Answer 17

Involuntary functions (breathing, heart rate)

Question 18

temporal lobe

Answer 18

Sound, language, memory

Question 19

Stimulus response model step

Answer 19

1. Stimulus detected by a receptor
2. Signal sent via sensory neurons
3. Brain/spinal cord (CNS) processes it
4. A motor neuron targets an effector
5. Response initiated

Question 20

Voluntary vs Involuntary Actions

Answer 20

Voluntary: Conscious actions (e.g., eating, removing a sweater)

Involuntary: Automatic actions (e.g., breathing, reflexes)