The functional unit of the kidney is nephron. Kidney comprises two kinds of nephrons, each situated in distinct sections of the renal cortex, that is, juxtamedullary nephrons and cortical nephrons. A nephron constitutes of a renal tubule, renal corpuscle, and the associated network of capillaries. The nephron is accountable for eradicating waste from the body.
The functional unit of lungs is alveoli. They resemble a cluster of grapes, they are thin and possess moist walls. They are a single layer of cells enveloped by a layer of capillaries. The main function of the lungs is respiration. The alveoli help one to breathe, by conducting the process of gas exchange.
<span>Traffic accident rates have been found to INCREASE after the spring change to daylight savings time and to DECREASE after the fall change back to standard time</span>
Answer:
There are three basic types of freshwater ecosystems:
Lentic: slow moving water, including pools, ponds, and lakes.
Lotic: faster moving water, for example streams and rivers.
Wetlands: areas where the soil is saturated or inundated for at least part of the time.
Technically A and B, but A is more true, so it is the 'correct' answer.
Answer:
CROSSING OVER is the exchange of segemetics of dna or genetic matierial between the members of the pairs of cromezones