DNA contains information that determines a cell's purpose and function.
Answer:With this system, blood always flows in only one direction inside the heart. There are also valves at the bottom of the large arteries that carry blood away from the heart: the aorta and the pulmonary artery. These valves keep the blood from flowing backward into the heart once it has been pumped out.
Explanation:
"Bad" bacteria because there are also good bacteria that we need in order to live not just healthy, because every person gets sick and we need it for our body. Too much good thing is a bad thing.
<span>Warming up before exercising
prevents the cause of injuries, reducing muscle strain and improve muscle
performance. The answer is letter D. The goal of warming up is to increase body
temperature, increase neural activation, warm up the joints for our body to not
be shocked during exercising. It will get your blood flowing, clears waste from
your muscles, and brings fluids to your joints. It will improve the performance
in exercising by actively moving the joints and increase in muscular
performance at the same time eliminating injuries along the way. </span>
It can happen with lung cancer but i dont think breast cancer though.
((hope this helps you ^^))