Keywords- 2

studied byStudied by 0 people
0.0(0)
Get a hint
Hint

Cardiovascular disease

1 / 49

flashcard set

Earn XP

50 Terms

1

Cardiovascular disease

A condition affecting the heart or blood vessels

New cards
2

Coronary heart disease

Blood vessels supplying the heart are narrowed or blocked

New cards
3

Stroke

Oxygen is cut off to the brain which makes the brain unable to function.

New cards
4

Diffusion

Net movement of particles moving from an area of high concentration to an area of low concentration

New cards
5

Mass transport system

All substances move in the same direction at the same speed.

New cards
6

Mass flow

Liquid or gases moving from an area of high pressure to an area of low pressure.

New cards
7

Arteries

Blood vessels that take blood away from the heart.

New cards
8

Capillaries

A minute thin-walled vessel of the body that forms a network between arterioles & venules.

New cards
9

Arterioles

A very small blood vessel that branches off from your artery & carries blood away from heart to organs & tissues.

New cards
10

Venules

A very small vein, connecting blood from the capillaries to the veins.

New cards
11

Veins

Blood vessel that take blood to the heart.

New cards
12

Single circulation

Blood passes through the heart once in its passage around the body.

New cards
13

Double circulation

Blood passes through the heart twice in its passage around the body.

New cards
14

Polar molecule

One end of a molecule is partially positive whilst the other end of the molecule is partially negative

New cards
15

Dipole

Uneven sharing of electrons between 2 atoms engaging in a covalent bond.

New cards
16

Hydrogen bonding

Interaction involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons.

New cards
17

Hydrophilic

Water-attracting

New cards
18

Hydrophobic

Water-repelling

New cards
19

Cardiac muscle

  • Muscle tissue found only in the heart

  • Responsible for ability of heart to pump blood.

New cards
20

Collagen

A protein in the body.

New cards
21

Systole

Contract

New cards
22

Diastole

Relax

New cards
23

Coronary arteries

Supplies blood to the heart.

New cards
24

Cardiac cycle

A sequence of alternating contraction and relaxation of the atria & ventricles in order to pump blood throughout the body.

New cards
25

Left & right atria

Heart chambers that receive blood into the heart & drives it into a ventricle.

New cards
26

Ventricles

Heart chambers that receive blood from the atrias & drives blood into pulmonary artery.

New cards
27

Atrial systole

Atrium contracts

New cards
28

Ventricular systole

Ventricles contract

New cards
29

Cardiac diastole

Heart is relaxed

New cards
30

Semilunar valves

Paired valves in the heart between the pulmonary artery & aorta.

New cards
31

Thrombosis

Occurs when blood clots block blood vessels which limits flow of blood.

New cards
32

Heart attack (myocardial infarction)

Occurs when flow of blood that brings oxygen to a part of your heat muscle becomes blocked.

New cards
33

Endothelium

A tissue which forms a single layer of cells lining various organs & cavities of the body e.g. blood vessels.

New cards
34

Inflammatory response

Occurs when tissues are injured by bacteria, trauma etc.

New cards
35

Cholesterol

A waxy, fat-like substance made in the liver which your body needs for good health, but in the right amounts.

New cards
36

Atheroma

A fatty substance that builds up in your arteries over time.

New cards
37

Plaque

A small, abnormal patch of tissue on a body part or organ. This is a build up of substances from a fluid e.g. cholesterol.

New cards
38

Positive feedback

A product of a reaction, leads to an increase in that reaction.

New cards
39

Platelets

Small, colourless cell fragments in the blood that form blood clots which stops or prevents bleeding.

New cards
40

Cascade

A series of enzymic reactions that at each step convert an inactive enzyme into an active enzyme.

New cards
41

Thromboplastin

An enzyme secreted by injured cells e.g. platelets which transforms prothrombin into thrombin.

New cards
42

Prothrombin

A protein produced by the liver which converts into thrombin.

New cards
43

Thrombin

A protease which converts fibrinogen into fibrin.

New cards
44

Fibrinogen

A protein made in the liver which forms fibrin.

New cards
45

Fibrin

A tough protein involved in forming blood clots in the body. Made by fibrinogen.

New cards
46

Angina

A type of chest pain caused by reduced blood flow to the heart.

New cards
47

Anaerobically

Without oxygen.

New cards
48

Ischaemic

An organ is not getting enough blood & oxygen.

New cards
49

Arrhythmia

Irregular heartbeat.

New cards
50

Aneurysm

The enlargement of an artery caused by weakness in the arterial wall.

New cards

Explore top notes

note Note
studied byStudied by 14 people
... ago
5.0(1)
note Note
studied byStudied by 7 people
... ago
5.0(1)
note Note
studied byStudied by 5 people
... ago
5.0(1)
note Note
studied byStudied by 81 people
... ago
5.0(1)
note Note
studied byStudied by 3 people
... ago
4.0(1)
note Note
studied byStudied by 31 people
... ago
5.0(1)
note Note
studied byStudied by 5 people
... ago
5.0(1)
note Note
studied byStudied by 5468 people
... ago
5.0(12)

Explore top flashcards

flashcards Flashcard (37)
studied byStudied by 24 people
... ago
5.0(1)
flashcards Flashcard (37)
studied byStudied by 7 people
... ago
5.0(1)
flashcards Flashcard (142)
studied byStudied by 22 people
... ago
5.0(1)
flashcards Flashcard (43)
studied byStudied by 19 people
... ago
5.0(1)
flashcards Flashcard (55)
studied byStudied by 240 people
... ago
5.0(1)
flashcards Flashcard (46)
studied byStudied by 50 people
... ago
5.0(1)
flashcards Flashcard (99)
studied byStudied by 1 person
... ago
5.0(1)
flashcards Flashcard (179)
studied byStudied by 12 people
... ago
5.0(1)
robot