Answer:
Xylem and phloem
Explanation:
Xylem and phloem (b) option is correct
An enzyme is a catalysts in living things.
A catalysts speeds up the process of breaking down molecules.
An example would be Lactose. It can be broken down by the enzyme Lactase.
The macula densa cells monitor the NaCl content of the filtrate entering the distal convoluted tubule.
Define juxtaglomerular apparatus.
The juxtaglomerular apparatus, often referred to as the juxtaglomerular complex, is a kidney structure that controls how each nephron, or functional unit of the kidney, performs.
What are macula densa cells ?
According to the traditional paradigm, the distal nephron's macula densa cells serve as salt sensors and send chemical signals to the juxtaglomerular apparatus to regulate key kidney activities like renal blood flow, glomerular filtration, and renin release.
Learn more about macula densa cells here:-
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<span>The way goods and services are produced, distributed, and consumed in a society mean a consumpation of goods and the supply of a money, that talks about economy, so the answer is C: economy.</span>
