Answer:
all of the above
Explanation:
gravity makes a planet have a combination go straight yet go around the sun at the same time creating an ellipse
sciencefocus
Answer:
Autorhythmicity of the heart
Explanation:
It is the study of the characteristics features of the cardiac muscle cells with the ability to initiate action potential at certain level without connection to any external stimulus which the heart beats constantly and rhythmically. Cardiac muscle cells controls the rate of contraction of heartbeats.
Answer:
D?
Explanation:
Labs are often measured directly for accurate results.
Answer: P-waves are known as congressional waves and S-waves are known as secondary waves.
Explanation: