Author Question: The formation of a primitive heart would take place during the _____ period of development. a. ... (Read 67 times)

Jipu 123

  • Hero Member
  • *****
  • Posts: 569
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
Answer to Question 1

d

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

For a complete list of videos, visit our video library