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

Author Question: The fetus is about 13 inches long and 1.75 pounds, resembles a human and has developed reflexes such ... (Read 187 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
on: Jun 22, 2018
The fetus is about 13 inches long and 1.75 pounds, resembles a human and has developed reflexes such as sucking and swallowing. What stage of pregnancy are we talking about?
 
  a. End of the first month
 b. End of the first trimester
 c. End of the second trimester
  d. About 1 month before birth

Question 2

What is the first organ system to function in the embryo?
 
  a. The digestive system
 b. The nervous system
 c. The circulatory system
  d. The urinary system


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

millet

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jun 22, 2018
Answer to Question 1

c

Answer to Question 2

c


deesands

  • Member
  • Posts: 514
Reply 2 on: Jun 22, 2018
Excellent

diana chang

  • Member
  • Posts: 288
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

18 weeks old human fetus 18 weeks old human fetus
Parts of human nervous system Parts of human nervous system
The Human Skeleton The Human Skeleton
Events in human fertilization. The light micrograph shows a fertilized human oocyte. Events in human fertilization. The light micrograph shows a fertilized human oocyte.
Human urinary system. Human urinary system.
Human urinary system Human urinary system
Video: DNA fingerprinting Animation

For a complete list of videos, visit our video library