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Asthma is a chronic medical condition primarily affecting which part of the body?
AThe skin
BThe airways of the lungs
CThe joints
DThe kidneys
What is a primary function of the gallbladder, a small organ located near the liver?
AProducing insulin
BStoring and concentrating bile produced by the liver
CFiltering the blood
DProducing red blood cells
What term describes a community of living organisms interacting with each other and with their surrounding physical environment?
ASpecies
BPopulation
CEcosystem
DHabitat only
Arthritis is a broad term referring to inflammation affecting which part of the body?
AThe liver
BThe joints
CThe lungs
DThe eyes
Bile, a digestive fluid produced by the liver and stored in the gallbladder, primarily helps the body digest which type of nutrient?
ACarbohydrates
BVitamins directly
CProteins primarily
DFats
What term describes the sequence showing how energy and nutrients pass from one organism to another as one organism is eaten by the next?
ANitrogen fixation
BFood chain
COsmosis
DWater cycle
Osteoporosis is a medical condition characterized by what change to a person’s bones?
ABones growing excessively large
BBones fusing together permanently
CBones becoming unusually flexible and rubbery
DBones becoming weak, brittle, and more prone to fracture
What term describes the phenomenon in which a sufficiently large proportion of a population being immune to a disease helps protect even those who are not immune, by limiting its overall spread?
AHerd immunity
BAutoimmune response
CCross-reactivity
DPassive immunity
In a typical food chain, which organisms are classified as producers?
AAnimals that eat both plants and animals
BPlants and other organisms that make their own food through photosynthesis
CAnimals that eat only meat
DFungi that decompose dead material
Cataracts are a common age-related eye condition involving what specific change?
AClouding of the eye's normally clear lens
BPermanent dilation of the pupil
CComplete loss of the retina
DExcessive tear production