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Answer:</h2><h3>1. four</h3>
Your heart has four separate chambers that pump blood, two on the right side and two on the left.
2. When the ventricle relaxes, the aortic valve closes <em>to prevent blood from flowing back into the ventricle</em>. When the aortic valve is not working properly, it can interfere with blood flow and cause the heart to strain to send blood to the rest of the body.
3. In medicine, a person's pulse is a pressure wave caused by the expansion of the arteries as a result of the circulation of blood pumped by the heart.
4. Capillaries are tiny vessels that branch out from arterioles to form networks around body cells.
Capillaries are very tiny blood vessels — so small that a single red blood cell can barely fit through them.
<em>hope</em><em> </em><em>this</em><em> </em><em>help</em><em>!</em><em> </em><em>^</em><em>^</em>
Cenozoic Era: Deinotherium
Mesozoic Era: Ichthyosaur
Paleozoic Era: Trilobites
Precambrian Era: Ediacarans
Answer: Uterus
Explanation:
A fertilized egg is called ZYGOTE, and it is the product of fusion between a sperm cell and ovum cell.
The zygote is attached and housed in a muscular organ known as Uterus, commonly referred to as Womb. Here, the zygote grows and develops for several weeks into a foetus and then a human child (baby) in the pregnant woman
Answer:
A Jewish couple is about to be married but they both worry about their family history. The man's uncle and the women's aunt died of Tay Sachs disease. Infer why the couple is hiring a genetic counselor analyze their families pedigree.
Reasons are not far-fetched, both intended couple might carry a dominant gene for Tay Sachs disease or one of them has a dominant gene for such, it is pertinent a genetic counselor analyze their family pedegree in order to avoid having such disease or passing it to their offspring.
The chances of either of the intended couple to carry such dominant gene of the disease is imminent.
Explanation: