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(b) Cigarette smoke contains nicotine. Nicotine is a vasoconstrictor that reduces the diameter of some blood vessels. (i) Using this information, explain why smoking increases the risk of developing cardiovascular disease (CVD). How do I approach this?

Good question. You must think about these questions in progressive steps. The first step is given - vasoconstriction. What does this cause? A reduction in the diameter of the blood vessel. So you've got the ...
MA
Answered by Michael A. • Biology tutor
5863 Views

Quali sono le tre funzioni logiche del verbo essere?

Nelle seguenti tre frasi possiamo dedurre quali sono le 3 funzioni logiche del verbo essere nella lingua italiana.1- Verbo essere come COPULA (predicato nominale):Maria è intelligente e (è) studiosa.2- Verbo...
RI
Answered by Raffaela I. • Italian tutor
67153 Views

Why is genetic drift important in small populations?

Within a population there is genetic variation between individuals. For example, individuals have different combinations of different alleles, which may or may not be passed onto their offspring. Genetic dri...
BP
Answered by Bethany P. • Biology tutor
26435 Views

What are some different views on free will and what do they mean?

Here are the main views on whether or not humans have free will:Hard Determinism: Our will and actions are completely controlled by external factors (God, the laws of nature and causation, etc). You can refe...
GQ
2965 Views

Given y=arctan(3e^2x). Show dy/dx= 3/(5cosh(2x) + 4sinh(2x))

As we cannot immediately differentiate inverse tan we take tan of both sides giving us tan(y)=3e 2x. We then differentiate with respect to x, however this must be done using implicit differentiation on the l...
MS
6771 Views