<span>The correct answer is B. Pulmonary. The answers C. Cerebral and D. Extremity, are baseless regarding this question; A. Systemic could be a good alternative, as the blood flows from the systemic to the pulmonary circulation in the right side of the heart; but the systemic circulation is in fact mostly handled in the left side of the heart, while the right side handles the pulmonary one. </span>
Stem cells<span> are a class of undifferentiated </span>cells<span> that are able to differentiate into specialized </span>cell<span> types. Commonly, </span>stem cells<span> come from two main sources: Embryos formed during the blastocyst phase of embryological development (embryonic </span>stem cells<span>) and. Adult tissue (adult </span>stem cells<span>).
hope this helps!</span>
It remains dormant during unsuitable conditions.
Answer:
The correct answer would be A) covalent bond.
Covalent bond or molecular bond refers to the type of bond in which the electron pair(s) are shared between atoms.
Sharing of electrons enable the two atoms to attain a stable electronic configuration.
For example, in a hydrogen molecule (H₂), each hydrogen atom shares two electrons in order to achieve a stable configuration.
