Answer:
This electrical signal start in the sinoatrial node generates an electrical impulse. From this, the signal passes through the atrioventricular node, which stops the signal for a brief moment and sends it through the muscle fibers of the ventricles, stimulating its contraction.
Explanation:
The electrical impulses generated by the myocardium stimulate the heartbeat. This electrical signal originates in the sinoatrial node located in the upper part of the right atrium. When the sinoatrial node generates an electrical impulse, it stimulates the contraction of the atria. From this, the signal passes through the atrioventricular node, which stops the signal for a brief moment and sends it through the muscle fibers of the ventricles, stimulating its contraction.
Answer:
false, because the pitury gland sends signals for sex hormones to be produced in the body.
Answer:
Regular physical activity helps improve your overall health, fitness, and quality of life. It also helps reduce your risk of chronic conditions like type 2 diabetes, heart disease, many types of cancer, depression and anxiety, and dementia.
Explanation:
Answer: true
Explanation:
Open-ended questions are ones that require more than one word answers. The answers could come in the form of a list, a few sentences or something longer such as a speech, paragraph or essay.