Dr. Soult is studying the use of undifferentiated embryonic stem cells in the fight to cure leukemia. Which is a practical and ethical source for these building block cells? A. Aborted fetuses
B. Blood taken from newborns
C. Pay women to donate fetuses for research
D. Umbilical cord blood taken just after birth from the placenta

. fibrinogen is soluble in water and is found in high concentrations in the blood, where it waits until needed to form a clot

hello

answer: collecting information/data

reason: the student is going around and asking people questions to collect data

i hope this

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.