Multiple Choice
Approximately how many times does the average human heart beat in one day?
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40. Circulatory System
Heart Physiology
Back40. Circulatory System
Heart Physiology
- Multiple ChoiceWhich of the following is often called the pacemaker of the heart?6views
- Multiple ChoiceWhich structures prevent heart valves from being forced backward into the wrong chamber?7views
- Textbook Question
The studies described in Module 23.6 were funded by both government agencies and major pharmaceutical and medical supply companies. NIH grants for research on heart disease total more than $1.2 billion per year. Gather more information and form an opinion on how heart disease research should be funded, whether by private enterprises such as pharmaceutical companies, donor-supported nonprofit organizations, or government agencies. Write an essay arguing your point of view.
699views - Multiple ChoiceApproximately how many times does the human heart beat in a single day?6views
- Multiple ChoiceWhich of the following best explains how a young, healthy individual could develop a serious heart condition?9views
- Multiple ChoiceWhich chamber(s) of a human heart receive(s) and pump(s) oxygenated blood?1038views
- Multiple ChoiceHeart valves function to __________.1088views
- Multiple ChoiceWhat is the physiological cause of a heart attack?1087views
- Multiple ChoiceBlood leaves the inferior vena cava and flows directly into the __________.809views
- Multiple ChoicePressure is greatest in the ventricles when __________.1050views
- Multiple ChoiceThe SA node generates an electrical impulse from its location in __________.1369views
- Multiple ChoiceA recording of the electrical activity of a patient's heart shows that the atria are contracting regularly and normally, but every few beats the ventricles fail to contract. Which of the following is probably functioning improperly?1718views
- Multiple ChoiceYour blood pressure is 120/70. The "120" indicates __________, and the "70" indicates __________.1198views1rank
- Multiple ChoiceWhen we compare the structures and functions of arteries and veins, we find that the walls of arteries are __________, the blood pressure inside arteries is __________, and the blood in arteries is moving __________ the heart.1362views