« previous next »

Author Question: The formation of a primitive heart would take place during the _____ period of development. a. ... (Read 42 times)

Jipu 123

  • Hero Member
  • *****
  • Posts: 569
on: Jun 22, 2018
The formation of a primitive heart would take place during the _____ period of development.
 
  a. zygotic
  b. germinal
  c. fetal
  d. embryonic

Question 2

What is the most important factor in determining what crosses the placental barrier?
 
  a. The size of a molecule
  b. The age of the fetus
  c. The duration of the pregnancy
  d. The age of the mother


SVictor

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jun 22, 2018
Answer to Question 1

d

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Pharmacogenomics, Genetic makeup, Drug development, Individual response to drugs, Prescriptions Pharmacogenomics, Genetic makeup, Drug development, Individual response to drugs, Prescriptions
Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge
Primary embryonic membrane development Primary embryonic membrane development
Fetus Development Weekly vs. Monthly Fetus Development Weekly vs. Monthly
The striking improvements in motor development in the early months The striking improvements in motor development in the early months
Fetal Development Fetal Development
Video: Glomerular filtrate rate: pressures that affect GFR, NFP & GFR and blood composition

For a complete list of videos, visit our video library