Arteries carry oxygen poor blood from the heart to the body’s tissues and organs.

Answer 1

I'm sorry, but that statement is incorrect. Arteries carry oxygen-rich blood from the heart to the body's tissues and organs. The heart pumps this oxygenated blood out through the arteries to supply the cells with oxygen and nutrients. It is the veins that carry oxygen-poor blood back to the heart from the body tissues.

Answer 2

Since the arteries keep pace with the heart you can measure the heart rate by counting the contractions of the arteries.

Answer 3

While it is true that the arteries carry blood at a pace that corresponds with the heart rate, counting the contractions of the arteries is not an accurate method to measure heart rate. The heart rate can be measured directly by counting the contractions of the heart itself or by using various medical devices such as a stethoscope, electrocardiogram (ECG), or a heart rate monitor. These methods provide a more precise measurement of the heart rate as they directly assess the electrical activity or sounds produced by the heart.