High blood pressure and heart disease

Description

GCSE Higher Biology (B1) Flashcards on High blood pressure and heart disease , created by esther.babatunde on 15/02/2014.
esther.babatunde
Flashcards by esther.babatunde, updated more than 1 year ago
esther.babatunde
Created by esther.babatunde about 10 years ago
25
0

Resource summary

Question Answer
What element of smoking increases blood pressure? Carbon monoxide and nicotine
Effects of carbon monoxide in the body Carbon monoxide combines with haemoglobin reducing the amount of oxygen its able to carry tissues don't get enough oxygen therefore heart rate increases.
Why does blood pressure increase when nicotine is present? It causes heart rate to increase this increases rate of contraction increasing blood pressure
What is heart disease? Any known disease which affects the heart e.g Hear attacks
Cholesterol is needed in the body. Why? What bad effects does it have on the body? Its needed to making cell membranes. However in excess build up in arteries narrowing it. This restricts blood flow causing a heart attack
Main cause of an heart attack When an already narrowed coronary arteries is further blocked by a blood cloth (thrombosis) cutting of oxygen supply to the heart
Show full summary Hide full summary

Similar

Biology B1.1 - Genes
raffia.khalid99
B1.1.1 Diet and Exercise Flash Cards
Tom.Snow
GCSE Biology AQA
isabellabeaumont
GCSE Biology B2 (OCR)
Usman Rauf
Biological Molecules Definitions
siobhan.quirk
Cells And Cell Techniques - Flashcards (AQA AS-Level Biology)
Henry Kitchen
Cell Structure
megan.radcliffe16
GCSE Biology - Homeostasis and Classification Flashcards
Beth Coiley
Exchange surfaces and breathing
megan.radcliffe16
Key Biology Definitions/Terms
courtneypitt4119
IB Biology Topic 4 Genetics (SL)
R S