Answer:
the 4th one The lumen, is my guess
Answer:
B
Explanation:
I looked it up as well as thought
Answer:
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species? are related and gradually change over time.
It is false that the heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambers.
<h3>Heart Myocardium?</h3>
Heart Myocardium is also called Cardiac muscle is a specialized type of muscle tissue that cover the heart. The cardiac muscle ontracts and relaxes nvoluntarily and it help to keep the heart pumping blood to the body.
Therefore, It is false that the heart myocardium is nourished primarily through the diffusion of nutrients from the blood in the heart chambers because it is nourished by blood flow through the coronary arteries.
Learn more about Myocardium from the link below.
brainly.com/question/1373449
The answer is : randomization was not used in sample selection. The major difference between experimental and quasi-experimental designs is lack of randomization in sampling selection.
