what are the different things that people need to be able to do to keep fit and healthy?
speed, strength, stamina, flexibility, agilility and cardio vascular
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what is systolic pressure?
when the blood pressure is at its highest when the heart beats and contracts pumping blood
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what is diastolic pressure?
when the heart is at rest between beats and is relaxed, and the blood pressure falls
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what are the six factors that affect blood pressure?
diet, excersise, stress, weight, smoking and age
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what is hypotension and hypertension?
hypotension= low blood pressure, hypertension= high blood pressure
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what does nicotine do to the body?
increases our heart rate and blood pressure does this by constricting the blood vessels.
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what is the equation for carboxyhaemoglobin?
Haemoglobin+Carbon monoxide--- carboxyhaemoglobin
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what is the equation for BMI?
BMI= mass in kg/ (Height in m)2
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what is a benign and malignant tumour?
Benign: a type of tumour where the cells wont change place, they arent to big of a problem, they can be removed, Malignant:tumours that damage the tissue in the skin, they are the cancer forms
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what is plasmodium?
the pathogen that causes the disease malaria it is a protozoa
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what is a vector?
an organism that passes of a parasite from one person/ animal to another.
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what is phagoctosis and Lymphocytes?
Phagocytosis= process of the phagocytes engulfing bacteria and releasing enzymes to kill them, Lymphocytes= provide better defence has ntigens and antibodies, antigens destroy them
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what is active immunity and passive immunity?
active= body produces own antibodies in response to infection, passive= body recieves antibodies from another source.
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What is meant by blind and double blind types?
blind: when the patient do not know whether they are having the real or fake drug, double blind:where the doctor and patients do not know
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what is a synapse?
a junction between two neurones across which electrical signals pass.
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what is homeostasis?
the regulation of the eternal enviornment
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What is vasoconstriction?
blood vessels constrict to keep warmth in.
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What is vasodilation?
when it is too hot the blood goes closer to the skin and blood vessels get bigger causing you to go red.
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Describe the process of low blood pressure and insulin?
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