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

Author Question: Which period begins three weeks after conception? the embryonic period the fetal period the ... (Read 121 times)

stevenposner

  • Hero Member
  • *****
  • Posts: 608
on: Jun 22, 2018
Which period begins three weeks after conception?
 
  the embryonic period
  the fetal period
  the gestational period
  the germinal period

Question 2

Which of the following structures is the first sign of a human body forming during the embryonic period?
 
  the neural tube
  the spinal cord
  the primitive streak
  the blood vessels


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xiaomengxian

  • Sr. Member
  • ****
  • Posts: 311
Reply #1 on: Jun 22, 2018
Answer to Question 1

the embryonic period

Answer to Question 2

the primitive streak


stevenposner

  • Member
  • Posts: 608
Reply 2 on: Jun 22, 2018
Excellent

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Facial Malformations in Fetal Alcohol Syndrome Facial Malformations in Fetal Alcohol Syndrome
How the neural plate develops into the neural tube during the third and fourth weeks of human ... How the neural plate develops into the neural tube during the third and fourth weeks of human ...
Fetal alcohol syndrome Fetal alcohol syndrome
Embryonic Period Embryonic Period
Fetal Period Fetal Period
Fetal Alcohol Syndrome (FAS) Fetal Alcohol Syndrome (FAS)
Video: The Vestibular System

For a complete list of videos, visit our video library