Cardiovascular System Overview
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Questions and Answers

What is the function of capillaries in the cardiovascular system?

  • Allow the diffusion of oxygen and nutrients to body tissues (correct)
  • Bring blood back to the heart
  • Transport deoxygenated blood to the lungs
  • Bring blood away from the heart

Which part of the heart has thick, muscular middle layer?

  • Pulmonary circulation
  • Epicardium
  • Endocardium
  • Myocardium (correct)

In the cardiovascular system, what is the function of veins?

  • Bring blood away from the heart
  • Transport deoxygenated blood to the lungs
  • Bring blood back to the heart (correct)
  • Allow the diffusion of oxygen and nutrients to body tissues

Which circulation is responsible for transporting deoxygenated blood to the lungs and back to the heart?

<p>Pulmonary circulation (C)</p> Signup and view all the answers

What is the function of arteries in the cardiovascular system?

<p>Bring blood away from the heart to other parts of the body (D)</p> Signup and view all the answers

What causes blood pressure in the cardiovascular system?

<p>Arteries creating pulsating waves (B)</p> Signup and view all the answers

What are the rhythmic waves of contractions that move food particles through the digestive tract called?

<p>Peristalsis (D)</p> Signup and view all the answers

Which process involves the passing of simple molecules from chemical digestion through cell membranes into the blood or lymph capillaries?

<p>Absorption (D)</p> Signup and view all the answers

What is the term for the removal of indigestible wastes through the anus?

<p>Defecation (A)</p> Signup and view all the answers

What is the length of the long continuous tube that makes up the digestive tract?

<p>9 meters (D)</p> Signup and view all the answers

Which layer of the digestive tract wall is described as the innermost tunic and lines the lumen?

<p>Mucosa (A)</p> Signup and view all the answers

In which layer of the digestive tract wall do folds sometimes develop to increase surface area?

<p>Mucosa (A)</p> Signup and view all the answers

What is the main function of the digestive system?

<p>Process food into molecules that can be absorbed by body cells (C)</p> Signup and view all the answers

Which organ is NOT part of the digestive tract?

<p>Lungs (D)</p> Signup and view all the answers

What triggers asthma?

<p>Inflammation and constriction of airways caused by inhaled allergen or irritant (B)</p> Signup and view all the answers

Which type of cellular respiration requires oxygen?

<p>Aerobic cellular respiration (A)</p> Signup and view all the answers

What happens during absorption in the digestive system?

<p>Molecules are taken up by body cells (A)</p> Signup and view all the answers

What are the accessory organs of the digestive system responsible for?

<p>Secreting fluids into the digestive tract (C)</p> Signup and view all the answers

What type of epithelial tissue is found in the mouth and anus where thickness for protection against abrasion is needed?

<p>Stratified squamous tissue (C)</p> Signup and view all the answers

Which layer of the digestive tract contains blood vessels, lymphatic vessels, nerves, and may have embedded glands?

<p>Submucosa (A)</p> Signup and view all the answers

What is the function of the smooth muscle layers in the digestive tract?

<p>Responsible for movements (B)</p> Signup and view all the answers

What is the outermost layer of the digestive tract called above the diaphragm?

<p>Adventitia (D)</p> Signup and view all the answers

What is the chief goal of the digestive system?

<p>Break down huge macromolecules (B)</p> Signup and view all the answers

Where is the myenteric plexus located in relation to the smooth muscle layers?

<p>Between inner and outer circular layers (B)</p> Signup and view all the answers

Where does sperm initially stay in the male reproductive system?

<p>Epididymis (A)</p> Signup and view all the answers

Which male reproductive organ resembles a comma and lies along the top and posterior portion of the testes?

<p>Epididymis (B)</p> Signup and view all the answers

What is the function of the penis during intercourse?

<p>Contains erectile tissue for engorgement with blood (B)</p> Signup and view all the answers

Which male reproductive organ provides much of the force needed for ejaculation?

<p>Prostate Gland (C)</p> Signup and view all the answers

What do the seminal vesicles contribute to the bulk of semen?

<p>Mucus, fructose, and enzymes (B)</p> Signup and view all the answers

What is the role of the vas deferens in the male reproductive system?

<p>To transport sperm from the epididymis to the ejaculatory ducts (B)</p> Signup and view all the answers

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