Match each term with its definition.
part a
a. cardiac output (co)
b. heart rate (hr)
c. end-diastolic volume (edv)
d. stroke volume (sv)
e. end-systolic volume (esv)
part b
1. the amount of blood in the ventricle available to be pumped out of the heart during one contraction
2. the volume of blood circulated by the heart in one minute
3. the amount of blood left in the ventricle after it contracts
4. the amount of blood pumped out of the heart during one contraction

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl

If a cell is placed into a hypertonic environment,what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge