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Year 8 Science > Systems > Flashcards

Systems Flashcards

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Biology 101 flashcards
1
Q

Molecules

A

two or more atoms joined (bonded) together, forming a small particle.

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2
Q

Organelle

A

small structure in a cell with a special function.

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3
Q

Cells

A

Cells are the building blocks of living things. There are many different sized and shaped cells in animals and plants, as well as single-celled organisms.

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4
Q

Tissues

A

groups of cells performing the same function.

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5
Q

Systems

A

group of organs working together.

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6
Q

Cellular respiration

A

the chemical reaction involving oxygen that moves the energy in glucose into the compound ATP. The body is able to use the energy contained in ATP.

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7
Q

Respitory systems

A

the body system involving the lungs and associated structures, which take in air and supply the blood with oxygen to deliver to the body’s cells so they can carry out their essential functions; it also performs gas exchange to remove the waste gas carbon dioxide.

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8
Q

Blood cells

A

the red liquid that circulates around the body. It is made up of plasma, blood cells and platelets.

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9
Q

Blood vessels

A

the veins, arteries and capillaries through which the blood flows around the body.

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10
Q

Heart

A

a muscular organ that pumps blood through the circulatory system so that oxygen and nutrients can be transported to the body’s cells and wastes can be transported away.

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11
Q

Arteries

A

hollow tubes (vessels) with thick walls carrying blood pumped from the heart to other body parts.

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12
Q

Capillaries

A

minute tubes carrying blood to body cells. Every cell of the body is supplied with blood through capillaries.

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13
Q

Veins

A

blood vessels that carry blood back to the heart. They have valves and thinner walls than arteries.

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14
Q

Digestive system

A

a complex series of organs and glands that processes food to supply the body with the nutrients it needs to function effectively.

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15
Q

Excretory system

A

The body system that removes waste substances from the body.

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16
Q

Muscleletal system

A

consists of the skeletal system (bones and joints) and the skeletal muscle system (voluntary or striated muscle). Working together, these two systems protect the internal organs, maintain posture, produce blood cells, store minerals and enable the body to move.

17
Q

Muscoskeletal system

A

Consists of the skeletal system (bones and joints) and the skeletal muscle system (voluntary or striated muscle). Working together, these two systems protect the internal organs, maintain posture, produce blood cells, store minerals and enable the body to move.

18
Q

Skeletal system

A

Consists of the bones and joints.

19
Q

Skeletal muscle system

A

Voluntary or striated muscle.

20
Q

Skeleton

A

the bones or shell of an animal that support and protect it as well as allowing movement.

21
Q

Bones

A

The pieces of hard tissue that make up the skeleton of a vertebrate.

22
Q

Bone marrow

A

A substance inside bones in which blood cells are made.

23
Q

Blood

A

The red liquid that circulates the body. It is made up of plasma, blood cells and platelets.

24
Q

Erythrocytes

A

Red blood cells

25
Q

Leucocytes

A

White blood cells.

26
Q

Capillaries

A

Very thin and long. Expanding over 100,000km.

27
Q

Viens

A

Used to carry oxygen to other parts of the body.

28
Q

Arterys

A

Pumps blood to the heart.

29
Q

Plasma

A

The yellow, liquid part of blood that contains water, minerals, food and wastes from cells.

30
Q

Red blood cells

A

Living cells in the blood that transport oxygen to all other living cells in the body.

31
Q

Haemoglobin

A

The red pigment in the blood cells that carries oxygen.

32
Q

Oxyhemoglobin

A

Haemoglobin with oxygen molecules attached.

33
Q

White blood cells

A

Living cells that fight bacteria and viruses as part of the humans body immune system.

34
Q

Platelets

A

Small bodies involved in blood clotting. They are responsible for healing by clumping together around a wound.

35
Q

Circulatory system

A

The body system that circulates oxygen in blood to all cells of the body.

36
Q

Asthma

A

Narrowing of the air pipes that join the mouth and nose to the lungs.

37
Q

Carcinogens

A

Chemicals that cause cancer.

38
Q

Emphysema

A

Condition in which the air sacs in the lungs break open and join together.

Year 8 Science (7 decks)

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