Helping The Heart+Plant Organs+Transpiration Flashcards
(17 cards)
What is the treatment for faulty valves in the heart?
Mechanical valves or biological valves
State the advantages and disadvantages of mechanical valves
+Last a long time
-need to take medicines for life and surgery complications
State the advantages and disadvantages of biological valves
+Last 10 years no medicines needed
-surgery complications
What is the treatment for a faulty pacemaker?
Artificial pacemaker
What is a fualty pace maker?
Heart rate is incorrect
What is disadvantage of having an artificial pacemaker?
Regular checkups needed
What is the treatment for heart failure?
Artificial hear temporary while waiting for donor heart
State the advantages and disadvantages of artificial heart
+don’t have to wait for donor heart
-blood might clot, surgery complications
State the disadvantages of a donor heart
Have to wait for a donor, risk of operation
What is the treatment for coronary heart disease
Stent or statins
What is a stent?
A metal mesh inserted into blocked arteries to keep open
What are statins?
Drugs to reduce LDL cholesterol which slows rate of fatty deposit build up
State the advantages and disadvantages of a stent
+effective for a long time
-risks of surgery
State the advantage and disadvantages of statins
+ reduce risks of strokes, heart attacks and increase HDL cholesterol
-forget to take drug, risk of side effects
What are leaves for?
Photosynthesis
What does the stem do?
Contains xylem tissue to transport water to leaves, and phloem tissue to transport sugars from leaves to roots
What do roots do?
Absorb water through root hair cells