Author Question: The average healthy adult heart beats 70-80 beats per minute. A lower heart rate of 60 might ... (Read 242 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?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

For a complete list of videos, visit our video library