general biology 2

43.) which of the following is the function of blood?

a. transport the deoxygenated blood from the heart to the lungs and return oxygenated blood from the lungs to the heart
b. transport oxygenated blood from the heart to various organs in the body and return deoxygenated blood to the heart
c. it diffuses oxygen from the blood into the cells and waste the carbon dioxide diffuse out of cells and into blood
d. bathes the organs directly does supplying oxygen and removing wastes from the organs

44.) which of the following is the function of blood vessels?

a. it moves the oxygenated blood into venules that merged into veins and the blood is transported back to the heart
b. transport oxygenated blood from the heart to various organs in the body and return deoxygenated blood to the heart
c. it diffuses oxygen from the blood into the cells and ways and carbon dioxide diffuse out of cells and into blood
d. bathes the organs directly does supplying oxygen and removing wastes from the organs

45.) what is the function of the kidneys?

a. the primary organ that regulates water
b. maintain the electronic balance of the blood
c. regulate blood pressure
d. all of the above

46.) humans lost water and electrolyte via perspiration

a. true
b. false
c. maybe true
d. maybe false

47.) what is the role of igA antibody?

a. detoxifies harmful substances and it's important in the recognition of antigen-antibody complexes by leukocytes and macrophage
b.first in response to microbial infection antigen invasion
c. melo protect the gastrointestinal tract of neonates from pathogens
d. protect against parasites

48.) which of the following is a function of photo receptor?

a. mometer external temperature
b. sense deep touching
c. tense bright light and colour
d. awareness of tissue damage

49.) which of the following is a function of thermo receptor?

a. monitor external temperature
b. sense deep touching
c. sense bright light and colour
d. awareness of tissue damage

50.) which of the following is a negative feedback mechanism?

@. animal maintenance of blood glucose levels
b. blood clotting
c. uterine contractions during childbirth
d. child feeding stimulates milk production


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