Answer:
EKG is a test that measures the electrical activity of the heartbeat. With each beat, an electrical impulse (or “wave”) travels through the heart. This wave causes the muscle to squeeze and pump blood from the heart.
Answer:
The system that moves blood throughout the body.
Answer:
The four main classes of organic compounds (carbohydrates, lipids, proteins, and nucleic acids) that are essential to the proper functioning of all living things are known as polymers or macromolecules. All of these compounds are built primarily of carbon, hydrogen, and oxygen but in different ratios.
Explanation:
Answer:
I'm dead
Explanation:
Bruh you literally go to my school. I'm dying over this.
This is because it is a monocot and monocots do not have a vascular cambium in their stems.