Author Question: The average healthy adult heart beats 70-80 beats per minute. A lower heart rate of 60 might ... (Read 148 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
The average healthy adult heart beats 70-80 beats per minute. A lower heart rate of 60 might indicate that
 
  A) the individual is very fit.
  B) a heart valve is malfunctioning.
  C) the individual is stressed.
  D) the individual is engaging in vigorous exercise.

Question 2

The human heart is about the size of a(n)
 
  A) golf ball.
  B) adult's fist.
  C) small plum.
  D) grapefruit.



jojobee318

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

For a complete list of videos, visit our video library