The waiter tears the raised part
of the straw wrapper a few inches from either end and he pulls until a piece of
the wrapper is entirely removed. The exposed part of the straw is what is then
placed in the drink, leaving the remaining wrapper for the customer to remove
himself. This will assure the customer that the waiter has not touched the straw
with bare hands. The part of the straw that has remained is called a straw
lace, or a drinking straw sleeve or a strawphylactic.
the circulatory, respiratory, muscular, digestive, integumentary, endocrine, reproductive, and nervous systems. All of these systems have specific functions but they cannot function independently. They rely on all the other systems in order to work properly.
This question has choices namely:
preload
afterload
contractility
cardiac reserve
The correct answer is preload. Preload is the filling capacity of the heart and it corresponds to the volume of the blood that fills the ventricles during a cycle. In this case, the left ventricle needs to accommodate the increased volume from the right heat therefore increasing the filling capacity therefore the preload.
Afterload is the pressure that the heart needs to overcome to pump the blood. In the right ventricle, the pressure is the pulmonary arteries wherein the right ventricle needs to contract and generate a pressure greater than the pulmonary arteries for the blood to move out the ventricle. Similarly, in the left ventricle, the source of pressure is the aorta and the left ventricle needs to contract and generate a pressure greater than the aorta and the systemic circulation for the blood to move out of the ventricle.
Contractility is the force of contraction of each ventricle in one cycle.
<span>The correct answer is 10 chromosome. Mitosis is the type of cell division that takes place in the somatic cells or the body cells where the parent cells divides into two daughter cells with the same genetic composition as the parent. Therefore, the number of chromosomes in the daughter cells remains the same as that of the mother cells. The opposite is the meiosis, which involves division of a germ line cells into four daughter cells which contains half the number of chromosomes as the parent. </span>
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