Answer:
Cardiac output
Explanation:
In the circulatory system, blood is pumped in and out of the heart to other body organs by veins and arteries.
The amount of blood that is pumped by the heart can be measured.
Cardiac output refers to the amount of blood that is pumped per minute by the heart.
It is an important measure because cardiac output indicates how efficient the heart meats the body demand
It is determined by the stroke volume and the heart rate.
The answer is fossil record
Oxygen and glucose are need for cellular respiration
Oil
renewable resources have a infinite supply
air pollution has no demand
Answer:
B) A Wolf
Explanation:
A- is wrong because that is multiple organisms
B- correct: it is one organism
C- is wrong because it has no cells
D- is wrong, a heart is an organ which makes up organ systems which makes organisms, but is not an organism itself