This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following opposes the flow of blood back to the heart? A) vascular resistance B) ... (Read 106 times)

Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
on: Feb 27, 2019
Which of the following opposes the flow of blood back to the heart?
 A) vascular resistance
  B) peripheral veins have valves to prevent backflow of blood
  C) muscular pumps squeeze veins and move blood toward the heart
  D) blood pressure
  E) blood pressure gradient from arteries to veins

Question 2

The average length of the menstrual cycle is ________ days.
 A) 16
  B) 19
  C) 21
  D) 28
  E) 35


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

frejo

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Feb 27, 2019
Answer to Question 1

A

Answer to Question 2

D


Sportsfan2111

  • Hero Member
  • *****
  • Posts: 585
Reply #2 on: Feb 27, 2019
Thanks


frejo

  • Sr. Member
  • ****
  • Posts: 349
Reply #3 on: Feb 27, 2019
Welcome :)


« previous next »
 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

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.

heart heart
Drug Resistance Drug Resistance
Co-current flow in a concentric tube heat exchanger Co-current flow in a concentric tube heat exchanger
A technician-made adapter used to test exhaust system back pressure. A technician-made adapter used to test exhaust system back pressure.
Blood vessels: (A) normal artery; (B) constriction; (C) arteriosclerosis and atherosclerosis. Blood vessels: (A) normal artery; (B) constriction; (C) arteriosclerosis and atherosclerosis.
Standing at the head of the table, apply oil or lotion to the entire back with bilateral stroking. ... Standing at the head of the table, apply oil or lotion to the entire back with bilateral stroking. ...
Video: Audiology

For a complete list of videos, visit our video library