You can find how much the blood pumped by multiplying the heart rate with the stroke volume. The heart beats by 72 beats per minute with 70ml blood pumped per beats. Then, the number of blood pumped would be:
number of blood: heart rate * stroke volume= 72 beats/min * 70ml/beats * 60min/hour * 1liters/1000ml= 302.4 L/ hour
Answer:
No, you need both mass and volume to determine its desity to see if it can float.
Explanation:
Density is the only thing affecting whether something floats or sinks. If an object has a higher density than the fluid it is in (fluid can mean liquid or gas), it will sink. If it has a lower density, it will float. Density is determined by an object's mass and volume.
Mitochondria and chloroplasts likely evolved from engulfed bacteria that once lived as independent organisms. ... Eukaryotic cells containing mitochondria then engulfed photosynthetic bacteria, which evolved to become specialized chloroplast organelles.
The answer is prokaryotes