Transport in Animals Flashcards
The effect of physical activity on the pulse rate
The pulse rate increases
The heart needs to pump faster to supply more oxygen and more glucose to the active muscles for more respiration and more energy is released
More carbon dioxide is produced which needs to be removed.
Likely causes of heart attack
Diet
Smoking
Stress
Age
Gender
Functions of Red-Blood cells
Transport oxygen
Functions of White-Blood cells
Protect the body from infection
Functions of platelets
Aid in the blood clotting process
Functions of plasma
Carry dissolved substances
Role of blood clotting
Prevents excessive blood loss and pathogens from entering
Process of blood clotting
Blood vessel is damages
Blood flows out
Vit K and Calcium activate platelets which release and enzyme
Soluble fibrinogen to insoluble fibrinogen
RBC become trapped in mesh of fibers and dry out
Causes a scab to form
What is Coronary Heart Disease?
CHD is a condition where the blood vessels that supply the heart become narrowed or blocked
Due to plaque build-up
Treatment for CHD
Aspirin
Angioplasty
Stent
Heart-bypass surgery
What is the fluid that circulates through the system
Lymph
What is the channels that carry lymph throughout the body
Lymph vessels
What filters lymph and trap pathogens
Lymph nodes
What filters the blood and helps fight infections
Spleen
Where to T-cells mature
Thymus