Answer:
The correct option is C.
Explanation:
From the information given in the question, it is obvious that De-Shawn created two models of the heart in order to show the differences that exist between the heart of a smoker and that of a non smoker. Smoking is an addictive habit that has great negative effects not only on the circulatory system of smokers alone but also on the whole body system.
Smoking normally damages the functions of the circulatory system by destroying the lining of the arteries; this leads to accumulation of fatty deposits that narrow the width of the arteries. The narrow arteries will hinder blood from flowing normally and this can lead to different types of medical conditions such as stroke, heart attack, heart failure, coronary heart diseases, etc.
Answer:
C
Explanation:
You could literally search that up. It's correct though.
"Sperm develop in the testicles within a system of tiny tubes called the seminiferous tubules. At birth, these tubules contain simple round cells. During puberty, testosterone and other hormones cause these cells to transform into sperm cells."
Answer:
Sedimentary rocks are formed from small pieces of rock. Deltas, bottom of waterfalls, and river banks is where they are formed.
Explanation:
The answer to this would be d. :)
Answer:
Explanation
the two basic difference between RNA and DNA are
RNA is single stranded while DNA is double stranded
RNA contain uracil and DNA contain thymine
