This topic contains a solution. Click here to go to the answer

Author Question: Which of the following best describes a portal of exit? a. Excretions and secretions b. ... (Read 97 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
Which of the following best describes a portal of exit?
 a. Excretions and secretions
  b. Immunosuppressants and the elderly
  c. Equipment and water
  d. Respiratory tract and broken skin
  e. Protozoa and fungi

Question 2

Which mineral(s) is/are essential in the formation of healthy bones and teeth?
 a. Fluoride
  b. Phosphorus
  c. Calcium
  d. All of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kardosa007

  • Sr. Member
  • ****
  • Posts: 300
Answer to Question 1

a

Answer to Question 2

d
RATIONALE: Fluoride, calcium, and phosphorus all help to form healthy bones and teeth.



JGIBBSON

  • Hero Member
  • *****
  • Posts: 538

kardosa007

  • Sr. Member
  • ****
  • Posts: 300

 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library