Transport Systems Flashcards
Types of blood cells
Red blood cells
White blood cells
Platelets
Function of red blood cell
Transports oxygen from the lungs to body cells
Transports small amounts of carbon dioxide from body cells to the lungs
Function of white blood cells
Produce antibodies to destroy disease causing bacteria and viruses
Produce antitoxins to neutralize toxins produced by pathogens
Function of platelets
Helps the blood to clot at a cut or wound
Main types of blood vessels
Arteries
Capillaries
Veins
Physiological effects of exercise
It improves the circulatory system
It improves the respiratory system
It improves the musculoskeletal system
Blood doping
Involves increasing the number of red blood cells in the blood stream to improve the blood’s ability to carry out oxygen
Hypertension
A condition in which the blood vessels have persistently raised pressure
Causes of hypertension
Smoking
Overweight
Stress
Cardiovascular disease
Refers to a class of diseases that affect the heart and blood vessels.
Transport in plants
Substances are transported around plants by vascular tissue composed of xylem and phloem tissue
Arteries
Are blood vessels that carry oxygen-rich blood away from the heart to various parts of the body.
Capillaries
Where oxygen and nutrients are exchanged for carbon dioxide and waste products between the blood and tissues.
Veins
Are blood vessels that carry oxygen-poor blood back to the heart from the body’s tissues.
