« previous next »

Author Question: Which of the following happens in the critical period that occurs in the fourth through eighth weeks ... (Read 135 times)

jenna1

  • Hero Member
  • *****
  • Posts: 568
on: Jun 22, 2018
Which of the following happens in the critical period that occurs in the fourth through eighth weeks of a pregnancy?
 
  A) The development of the lungs
  B) The development of the heart
  C) The development of arms and legs
  D) The development of the stomach

Question 2

Which of the following is the first noticeable sign of puberty in boys?
 
  A) Development of pubic hair
  B) Development of acne
  C) Deepening of the voice
  D) Accelerated growth of the testes


sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jun 22, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

The Critical Weather Maker: Atmospheric Stability The Critical Weather Maker: Atmospheric Stability
Embryonic Period Embryonic Period
Embryonic Period Embryonic Period
Embryonic Period Embryonic Period
Embryonic Period - lacunae Embryonic Period - lacunae
Embryonic Period Embryonic Period
Video: Conjunctivitis

For a complete list of videos, visit our video library