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My class > Biology Yr.7 > Flashcards

Biology Yr.7 Flashcards

1
Q

Cell wall

A

The cell wall is the border of the plant cell and provides a firm, protective layer for the cell

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2
Q

Specialised cell

A

A specialised cell is a cell which has its own function, therefore it is equipped with the right organelles.

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3
Q

Red Blood cell

A

The red blood cell is shaped like a disc and it carries hemoglobins filled with protein and oxygen

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4
Q

Vacuole

A

The vacuole is a organelle that keeps the cell in a firm shape

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5
Q

Nerve Cell

A

The nerve cell is a type of cell which send signals when the sensitive organs are interacted with.

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6
Q

Diffusion

A

Diffusion is when cell move from an area of high concentration to an area of low concentration with their Kinect energy

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7
Q

Nucleus

A

The nucleus is the brain of the cell- it is were all the instructions are sent out

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8
Q

Microscope

A

A microscope is a tool used for looking at microscopic objects

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9
Q

Egg cell

A

The egg cell is a sexual organ and can be fertilised by a sperm to make bambino

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10
Q

Rate of diffusion

A

Rate of diffusion is the speed of the cells travel to the low concentrated area

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11
Q

Cytoplasm

A

The cytoplasm takes ip most of an animal cell and is were chemical reactions take place

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12
Q

Specimen

A

The specimen is the thing you are testing on in an experiment

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13
Q

Sperm cell

A

The sperm is a sexual organ that swims to the egg and fertilises it

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14
Q

Binary fission

A

This is when an unicellular organism does to reproduce

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15
Q

Mitocondria

A

The mitochondria is were respiration takes place

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16
Q

Cell

A

A cell is a what builds up our bodies. There are billions of cells in our bodies

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17
Q

Root hair cell

A

Your hair grows from this

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18
Q

MRS GREN

A

MRS GREN is a way to remember all the characteristics of an organism. Movement Respiration etc.

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19
Q

Unicellular organisms

A

These are organisms that are made up of one cell

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20
Q

Multicellular

A

This means it is made up of more than one cell

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21
Q

Cell membrane

A

This is the border of the cell and, like a gate it opens and closes to let things in

22
Q

Magnification

A

Magnification is when something is magnified and moves because of the magnetic pull

23
Q

Resolution

A

Resolution is the skill to know one thing from the other

24
Q

Slide

A

The slide is the thing you put on the specimen once it has been diluted

25
Q

Chloroplast

A

This is were photosynthesis takes place

26
Q

White blood cell

A

This is what keeps all bad things out of your body, they travel in the blood flow and they kill things using antibodies they then get a memory of that thing so if it comes back it is ready.

27
Q

Organism

A

An organism is a living,breathing thing

28
Q

Trachea

A

Used as a pipe for air to travel to the lungs

29
Q

Nose/Mouth

A

Used as entrances for air into the body

30
Q

Bronchus

A

The bronchus is a slightly smaller pipe than the trachea, there are two of them and they both come off the trachea. Like a upside-down Y.

31
Q

Bronchiole

A

The bronchiole is one of many bronchioles that form a tree shape in the lung and come off the bronchus

32
Q

Alveolus

A

The alveolus or air-sac is at the end of every bronchiole and is where the blood cells exchange inhaled air for the air that will be exhaled

33
Q

Diaphragm

A

The diaphragm separates the respiratory system to the abdomen

34
Q

Lung

A

The lung is where the bronchus, bronchiole and alveolus live, it protects them while they are the mechanics of the respiratory system

35
Q

Heart

A

The heart pumps blood

36
Q

Muscle

A

The muscle moves the body part/organ. In this case the lung

37
Q

Rib

A

The ribs are the protective cages that protect the lungs and heart

38
Q

Tendon

A

A tendon is what joins the muscle to the bone

39
Q

Hierarchy of living things

A

This hierarchy of living things is a table that shows all the things that live or are needed to live .e.g. Organelles, cells, tissues,organs,organ systems, organisms, ecosystems, the biosphere

40
Q

Ligament

A

A ligament is what joins together two or more bones, like a biological rope

41
Q

Antagonistic muscle pairs

A

Antagonistic muscle pairs are two muscle that work oppositely to bring about movement.

42
Q

Synovial Fluid

A

Synovial fluid is a lubricator that stops our bones from rubbing against each other

43
Q

Cartilage

A

It is used to make the ends of our bones and acts as a shock absorber and a friction reducer

44
Q

Bone marrow

A

Bone marrow is what bones are made from, it is also used to make red blood cells

45
Q

Germination

A

Germination is the period when a plant changes from a seed to a sapling

46
Q

Stamen

A

The stamen is the male part of the plant and it releases pollen grains to fertilise with the females ovaries it made up of the anther and the filament

47
Q

Carpel

A

The carpel is the female part of the plant and is made up of the stigma and the style

48
Q

Sepals

A

The sepals protect the plant before it blooms

49
Q

Petals

A

Petals attract insects and birds so they can pollinate the plants

50
Q

Cross-pollination

A

This is when a pollen grain from one plant fertilises with a ovary from another plant

51
Q

Self-pollination

A

This is when a plant pollinates with itself(its own pollen grain fertilises with its own ovary)

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