The heart’s electrical system is responsible for making and conducting signals that trigger the heart to beat. These signals cause the heart’s muscle to contract. With each contraction, blood is pumped throughout the body. This happens 24/7 without us having to monitor it all the time so that our heart does not stop.
Take Them To A Hospital & Check There Stomach And Temperature
They are called paleontologists.
Answer:
3 francine
Explanation:
The four nitrogenous bases that compose DNA nucleotides are shown in bright colors: adenine (A, green), thymine (T, red), cytosine (C, orange), and guanine (G, blue). francine is not one of them
When we go to Hawaii, we know to dress light and bring an umbrella. This is because we know Hawaii's __Climate___. climate weather