Biology

HideShow resource information
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
1 of 27
what is systolic pressure?
when the blood pressure is at its highest when the heart beats and contracts pumping blood
2 of 27
what is diastolic pressure?
when the heart is at rest between beats and is relaxed, and the blood pressure falls
3 of 27
what are the six factors that affect blood pressure?
diet, excersise, stress, weight, smoking and age
4 of 27
what is hypotension and hypertension?
hypotension= low blood pressure, hypertension= high blood pressure
5 of 27
what does nicotine do to the body?
increases our heart rate and blood pressure does this by constricting the blood vessels.
6 of 27
what is the equation for carboxyhaemoglobin?
Haemoglobin+Carbon monoxide--- carboxyhaemoglobin
7 of 27
what is the equation for BMI?
BMI= mass in kg/ (Height in m)2
8 of 27
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
9 of 27
what is plasmodium?
the pathogen that causes the disease malaria it is a protozoa
10 of 27
what is a vector?
an organism that passes of a parasite from one person/ animal to another.
11 of 27
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
12 of 27
what is active immunity and passive immunity?
active= body produces own antibodies in response to infection, passive= body recieves antibodies from another source.
13 of 27
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
14 of 27
what is a synapse?
a junction between two neurones across which electrical signals pass.
15 of 27
what is homeostasis?
the regulation of the eternal enviornment
16 of 27
What is vasoconstriction?
blood vessels constrict to keep warmth in.
17 of 27
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.
18 of 27
Describe the process of low blood pressure and insulin?
pancreas stops producing insulin, pancreas produces glucogen, glucogen breaks down glycogen
19 of 27
Name the process of insulin in high blood pressure?
pancreas produces more insulin, insulin takes extra glucose from blood and gonverts into glycogen
20 of 27
what is a plants response to gravity called?
geotropism
21 of 27
what is the name of the plant hormone that controls plant responses?
auxins
22 of 27
What is a gene?
A length of DNA which controls a particular characteristic.
23 of 27
what is a chromosome?
a long colloid strand of DNA which contains many genes.
24 of 27
what is an allele?
A particular variety of gene
25 of 27
What is homozygous?
possessing two similar alleles of a particular gene.
26 of 27
What is heterozygous?
possessing two different alleles of two different genes
27 of 27

Other cards in this set

Card 2

Front

what is systolic pressure?

Back

when the blood pressure is at its highest when the heart beats and contracts pumping blood

Card 3

Front

what is diastolic pressure?

Back

Preview of the front of card 3

Card 4

Front

what are the six factors that affect blood pressure?

Back

Preview of the front of card 4

Card 5

Front

what is hypotension and hypertension?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Respiration and exercise resources »