« previous next »

Author Question: Which of the following structures help direct blood flow forward and prevent the backflow of blood ... (Read 68 times)

ashley

  • Hero Member
  • *****
  • Posts: 584
on: Jul 2, 2018
Which of the following structures help direct blood flow forward and prevent the backflow of blood within the heart?
 
  a. Septa
  b. The coronary arteries
  c. The atrioventricular valves
  d. The pulmonary vein and the pulmonary artery

Question 2

The walls of the capillaries are only one cell thick. This allows the exchange of nutrients and oxygen and waste products. The capillaries serve as the bridge between:
 
  a. arterioles and venules.
  b. the atrium right and the left atrium.
  c. the pulmonary vein and the pulmonary artery.
  d. arteries and veins.


Smiles0805

  • Sr. Member
  • ****
  • Posts: 305
Reply #1 on: Jul 2, 2018
Answer to Question 1

Answer: c

Answer to Question 2

Answer: a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Structures of the Abdomen: Posterior View Structures of the Abdomen: Posterior View
Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein
Direct thumb pressure along the tibialis anterior. Start at proximal end, moving about 1 inch at a ... Direct thumb pressure along the tibialis anterior. Start at proximal end, moving about 1 inch at a ...
The direct product of phosphate hydrolysis from PEP is the enol form of pyruvate The direct product of phosphate hydrolysis from PEP is the enol form of pyruvate
Accessory Structures of the Skin Accessory Structures of the Skin
Structures of nucleoside diphosphates and triphosphates Structures of nucleoside diphosphates and triphosphates
Video: Protein digestion - stomach & small intestine

For a complete list of videos, visit our video library