This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Irina is in her first week of pregnancy. During this time, __________. A) heart muscles begin to ... (Read 95 times)

Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
on: Jun 22, 2018
Irina is in her first week of pregnancy. During this time, __________.
 
  A) heart muscles begin to develop
  B) the zygote multiplies and forms a blastocyst
  C) a primitive brain and spinal cord appear
  D) the embryo can move

Question 2

The embryonic disk __________.
 
  A) becomes the new organism
  B) is the outer ring of cells on a blastocyst
  C) has a good chance of survival outside the womb
  D) is a protective membrane that surrounds the amnion


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yasmina

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


Lisaclaire

  • Member
  • Posts: 569
Reply 2 on: Jun 22, 2018
:D TYSM

xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

muscles muscles
Time Estimates for Specific Office Procedures Cont. Time Estimates for Specific Office Procedures Cont.
Graph showing oral administration of a single-dose drug. The time of onset is 2 hours and the end of ... Graph showing oral administration of a single-dose drug. The time of onset is 2 hours and the end of ...
Compression along hamstring muscles using the fists. Alternating fists, press along the posterior ... Compression along hamstring muscles using the fists. Alternating fists, press along the posterior ...
Knead neck muscles. Use one hand to knead muscles on both sides of the neck. Knead neck muscles. Use one hand to knead muscles on both sides of the neck.
Disitive Time For Fish Disitive Time For Fish
Video: Negative Feedback Regulation of Blood Pressure

For a complete list of videos, visit our video library