Deshawn is studying homeostasis and circulation. to organize his findings, he constructs two models of the human heart, veins, and arteries:
one to represent a non-smoker, and one that includes attributes typically found in a smoker. by comparing the two models, which relationship of
cause and effect can deshawn best explain?
a. contractions of the heart move blood through the circulatory system.
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b. smoking causes changes to homeostasis throughout the body.
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c. smoking damages the function of the circulatory system.
d. blood flows in one direction only through the circulatory system.

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

where is the diagram?

if you insert the diagram ill be able to you

it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.