Answer:
When we drink coffee, caffeine binds to our brain's adenosine receptors, preventing the chemical from binding with the receptors and making us tired. For those of us who regularly drink coffee in copious amounts, our brains develop more adenosine receptors, so it takes more coffee to keep us awake.
Answer:
Brain
Explanation:
It is always active, and regulates everything going through your body. Even when your asleep, it makes sure that the body is in the right temp, and that all the organs help stay safe.
The answer is D. requires communication between cells and an organ system.
Explanation: Just be happy I answered the question for you!✔
The "false labor" that can occur after the fourth month of the pregnancy is known as the Braxton hicks contraction. During these contractions, the uterus of the pregnant female tighten for a period of about 30 seconds to 60 seconds. Sometimes, these contractions can continue for 2 whole minutes. These contractions are also known as the 'practice contractions'.
Hence, the answer is 'Braxton hicks contractions'.
