Human Biology & Ecosystems

Question 1

What does the ‘Vena Cava’ carry?

Answer 1

Deoxygenated Blood

Question 2

What does the ‘Pulmonary artery’ carry?

Answer 2

Deoxygenated blood

Question 3

What does the ‘Pulmonary Vein’ carry?

Answer 3

Oxygenated blood

Question 4

What does the ‘Aorta’ Carry?

Answer 4

Oxygenated Blood

Question 5

Where does the ‘Vena Cava’ get its blood from?

Answer 5

The body

Question 6

Where does the ‘Pulmonary artery’ get its blood from?

Answer 6

Right Ventricle

Question 7

Where does the ‘Pulmonary vein’ get its blood from?

Answer 7

The lungs

Question 8

Where does the ‘Aorta’ get its blood from?

Answer 8

Left Ventricle

Question 9

The layer of light-sensitive cells at the back of the eye are called the?

Answer 9

Rods and cones

Question 10

The tough, clear covering over the iris and the pupil that helps protect the eye is called the?

Answer 10

Cornea

Question 11

The dark dark circle in the centre of the eye that lets light in is called the?

Answer 11

Pupil

Question 12

A clear fluid that helps the cornea keep its rounded shape is the?

Answer 12

Aqueous

Question 13

What is the purpose of the medulla?

Answer 13

Manages heart, circulation and breathing

Question 14

What is the muscle that controls how much light gets in your eye called?

Answer 14

Iris

Question 15

A clear, flexible structure that makes an image on the eyes retina is called the?

Answer 15

Lens

Question 16

The thick, clear jelly like substance that helps give the eye its shaped is the called the?

Answer 16

Humor

Question 17

The thick, tough white outer covering the eyeball is?

Answer 17

Sclera

Question 18

The colourful, shiny material located behind the retina is called the? (Hint: Found in animals with good night vision)

Answer 18

Tipetum

Question 19

The bundle of nerve fibers that carry information from the retina to the brain is called the?

Answer 19

Optic Nerve

Question 20

The place where the optic nerve leaves the retina is called the? (Hint: This is something a driver of a car has to check)

Answer 20

Blind spot

Question 21

The process of transitions through particals is called?
(Hint: happens when the oxygen goes from the lung to the blood cell)

Answer 21

Diffusion

Question 22

What links the brain to the rest of the body?

Answer 22

Spinal cord

Question 23

What part of the brain controls Personality, thinking, planning and problem solving>

Answer 23

Frontal lobe

Question 24

What part of the brain controls movement, sensations (Pain, taste, touch, ect) speed, writing and is located at the top of the brain?

Answer 24

Parietal lobe

Question 25

What is the medulla a part of?

Answer 25

The brain stem

Question 26

What controls speech, hearing and is located below the parietal lobe?

Answer 26

Temporal lobe

Question 27

What looks different to the other parts of the brain and controls movement, balance and muscles?

Answer 27

The Cerrebellum

Question 28

What is located at the back of the brain and controls memory, sight and smell?

Answer 28

Occipital lobe

Question 29

Biotic

Answer 29

Living

Question 30

Abiotic

Answer 30

Non-living

Question 31

What is the 10% rule

Answer 31

The amount of energy that gets passed through each section of the pyramid starting at the producer on the bottom and the apex predator on the top

Question 32

Why is a plant green?

Answer 32

The leaves only absorb the green light from the white light

Question 33

What’ absorbs green light and is used to spilt water to release electrons?

Answer 33

Chlorophyll

Question 34

How is carbon taken out of the air?

Answer 34

Photosynthesis

Question 35

How is carbon remitted into the atmosphere?

Answer 35

Respiration / burning of fossil fuels

Question 36

Glucose + Oxygen = Carbon dioxide + Water + Energy What process is this?

Answer 36

Cellular Respiration

Question 37

What part of the plant creates Glucose and Oxygen?

Answer 37

Chloroplast

Question 38

How is carbon dioxide polluted into the air?

Answer 38

Burned up in fossil fuels such as cars, boats and planes and also respiration

Question 39

What happens to fossil fuels?

Answer 39

Burned back into Carbon

Question 40

What is a tertiary consumer?

Answer 40

The apex predator also at the top of each food wed and chain.

Question 41

What types of organisms use the suns energy to create Glucose and oxygen?

Answer 41

Producers

Question 42

What is glucose used for?

Answer 42

Energy for consumers

Question 43

What is the role of Motor neurons?

Answer 43

Carry messages from the CNS (central nervous system) to effectors

Question 44

What transmits messages between neurons in the CNS

Answer 44

Connector neurons

Question 45

What has specialised receptors which are sensitive to stimuli such as heat or light. They carry messages from CNS to cells in sense organs (Eg. eyes, ears, tongue and skin)

Answer 45

Sensory neurons include Photoreceptors, thermoreceptors, motoreceptors

Question 46

What are the two parts to the nervous system?

Answer 46

Central nervous system (CNS) Peripheral nervous system (PNS)

Question 47

What helps the immune system to fight off diseases?

Answer 47

Antibiotics and lymph nodes

Question 48

Skin, Fluids, Hair and mucous in the nose and throat, acid (In stomach) and diarrhoea all prevent pathogens from entering the body. What line of defence is this?

Answer 48

1st Line

Question 49

The affected area becomes red, hot or swollen. Damaged cells release a chemical that causes an increase of blood flow to the affected area. What line of defence is this?

Answer 49

2nd Line

Question 50

The lymphatic system is a series of vessels and capillaries that carry fluid from around your cells back to your heart. This system has parts called pled Lymph Nodes. What line of defence is this?

Answer 50

3rd Line

Question 51

Each pathogen has a specific antibody that works on it. The lymphocytes meet a particular pathogen that is infecting the body and makes antibodies that will destroy it straight away when that pathogen comes back. This makes you immune to that pathogen and you wont get it again. What line of defence is this involved in?

Answer 51

3rd Line

Question 52

What is a symbiotic relationship where one benefits and the other is not effected

Answer 52

Commensalism

Question 53

What symbiotic relationship makes both organisms benefit / are cool with one another

Answer 53

Mutualism

Question 54

Where one organism is harmed and the other benefits

Answer 54

Parasitism