Lactic acid buildup when you’re exercising causes a build up of oxygen. Your body cannot break down glucose in the blood. So, your heart beat increases because there is more oxygen than normal needing to be pumped throughout the body.
In short terms: because your heart needs to pump more oxygen, it is pumping faster causing a faster heart rate.
Answer:
Since every person inherited DNA from their parents, who inherited it from their parents, and so on, a person's DNA is made up of the DNA of their ancestors. If you and another person both have the same ancestor, there's a chance that you both inherited some of the same DNA.
Explanation:
Plz mark brainliest thanks
the answer is A according to my knowledge.
Answer:
B.
Explanation:
The role of light in photosynthesis provides energy for sugar to be created!
It will be a Compound, because it will use Multiple Optical lenses
