« previous next »

Author Question: The average healthy adult heart beats 70-80 beats per minute. A lower heart rate of 60 might ... (Read 117 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jul 12, 2018
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
Reply #1 on: Jul 12, 2018
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
« previous next »
 

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?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

The bobcat population has seen declines in the American Midwest, but is generally stable and healthy The bobcat population has seen declines in the American Midwest, but is generally stable and healthy
For this bimolecular reaction, the rate constant k is second order For this bimolecular reaction, the rate constant k is second order
Heart Heart
The primate dental formula illustrated for (a) the lower dentition of an Old World monkey and (b) th The primate dental formula illustrated for (a) the lower dentition of an Old World monkey and (b) th
Situations Causing Changes in Respiratory Rate Situations Causing Changes in Respiratory Rate
A horizontally opposed engine design helps to lower the vehicle’s center of gravity. A horizontally opposed engine design helps to lower the vehicle’s center of gravity.
Video: Contraction cycle of a sarcomere

For a complete list of videos, visit our video library