2A COORDINATION

Question 1

What do multicellular organisms rely on to respond to changes in their environment?

Answer 1

Coordinated and interdependent internal systems

Question 2

What are the basic requirements for life?

Answer 2

• Nutrients
• Oxygen
• Water
• Waste removal

Question 3

What is a tissue?

Answer 3

A collection of specialised cells that work together to achieve a specific function

Question 4

What is an organ?

Answer 4

A recognisable structure of tissues that performs a specific function

Question 5

What is a system in biological terms?

Answer 5

A collection of tissues and organs responsible for performing life functions

Question 6

What is homeostasis?

Answer 6

The maintenance of a stable internal environment

Question 7

What is the role of the digestive system?

Answer 7

Breaks down food to provide nutrients, water, and remove waste

Question 8

What is the function of the excretory system?

Answer 8

Removes waste substances from the body and regulates blood composition and water balance

Question 9

What does the respiratory system do?

Answer 9

Facilitates gas exchange, providing oxygen and removing carbon dioxide

Question 10

What is the circulatory system responsible for?

Answer 10

Pumping blood to transport nutrients, oxygen, and waste around the body

Question 11

Fill in the blank: The ________ system ensures we don’t lose too much water in sweat.

Answer 11

Integumentary

Question 12

True or False: All body systems help keep us alive.

Answer 12

True

Question 13

What are the four key systems that play a major role in providing cells with the requirements for life?

Answer 13

• Digestive system
• Excretory system
• Respiratory system
• Circulatory system

Question 14

How do tissues, organs, and systems relate to maintaining homeostasis?

Answer 14

Tissues perform roles that cells cannot do alone, organs perform more complex roles, and systems control coordinated life functions

Question 15

How does water enter the body?

Answer 15

Through the mouth and intestines (digestive system)

Question 16

How is water transported in the body?

Answer 16

In blood (circulatory system)

Question 17

How is excess water filtered from the body?

Answer 17

Into urine by the excretory system

Question 18

What is cellular respiration?

Answer 18

The process by which cells make energy

Question 19

Fill in the blank: The ________ system powers digestion in the stomach and intestines.

Answer 19

Muscular

Question 20

What does the Greek word ‘homeo’ mean?

Answer 20

Similar

Question 21

What does the Greek word ‘stasis’ mean?

Answer 21

Stable

Question 22

How does the muscular system work with the skeletal system?

Answer 22

Muscular system attaches to the skeletal system, allowing movement

Question 23

What is the role of blood?

Answer 23

Transporting nutrients and waste around the body

Question 24

Digestive systems role?

Answer 24

Breaks down food into nutrients and absorbs them into the bloodstream, and eliminates waste.

Question 25

Endocrine body systems role?

Answer 25

Produces hormones that regulate the body.

Question 26

Nervous systems role?

Answer 26

Controls and coordinates body activities by transmitting signals between different parts of the body.

Question 27

Integumentary systems role?

Answer 27

Protects the body, regulates temperature, and prevents water loss.

Question 28

Reproductive systems role?

Answer 28

Produces gametes (sperm and eggs) and supports reproduction.

Question 29

Skeletal systems role?

Answer 29

Provides structure, support, and protection; enables movement; produces blood cells.

Question 30

Muscular systems role?

Answer 30

Facilitates movement, maintains posture, and generates heat.

Question 31

Respiratory systems role?

Answer 31

Facilitates gas exchange (oxygen intake, carbon dioxide removal).

Question 32

Circulatory systems role?

Answer 32

Transports oxygen, nutrients, hormones, and waste products throughout the body.

Question 33

Excretory systems role?

Answer 33

Removes waste products and maintains fluid and electrolyte balance.

Question 34

Immune systems role?

Answer 34

Defends the body against infections and diseases.

Question 35

Organs & Tissues Involved in Digestive system?

Answer 35

Mouth, oesophagus, stomach, intestines (small & large), liver, pancreas, gallbladder.

Question 36

Organs & Tissues Involved Endocrine

Answer 36

Glands (e.g. pituitary, thyroid, adrenal, pancreas, ovaries, testes), hypothalamus.

Question 37

Organs & Tissues Involved Nervous system

Answer 37

Brain, spinal cord, nerves, neurons.

Question 38

Organs & Tissues Involved Integumentary system

Answer 38

Skin, hair, nails, sweat glands, sebaceous glands.

Question 39

Organs & Tissues Involved Reproductive system

Answer 39

Male: testes, penis, prostate. Female: ovaries, uterus, fallopian tubes, vagina, mammary glands.

Question 40

Organs & Tissues Involved Respiratory system

Answer 40

Lungs, trachea, bronchi, diaphragm, alveoli, nasal passages.

Question 41

Organs & Tissues Involved Muscular system

Answer 41

Skeletal muscles, cardiac muscle (heart), smooth muscles, tendons.

Question 41

Organs & Tissues Involved Skeletal system

Answer 41

Bones, cartilage, ligaments, bone marrow.

Question 42

Organs & Tissues Involved Circulatory system

Answer 42

Heart, blood, blood vessels (arteries, veins, capillaries).

Question 43

Organs & Tissues Involved Excretory system

Answer 43

Kidneys, ureters, bladder, urethra, skin, lungs.

Question 44

Organs & Tissues Involved Immune system

Answer 44

White blood cells, lymph nodes, spleen, thymus, bone marrow, antibodies.