This topic contains a solution. Click here to go to the answer

Author Question: In her human development class, Dr. Ayers shows students several photographs of prenatal ... (Read 56 times)

ETearle

  • Hero Member
  • *****
  • Posts: 580
In her human development class, Dr. Ayers shows students several photographs of prenatal development. She points out the placenta and explains that its main purpose is to
 
  a. provide the fetus with carbon dioxide and oxygen.
  b. enable the maternal and fetal blood to mix so they will become compatible.
  c. provide the fetus with oxygen and nutrients and remove carbon dioxide and wastes from the fetus.
  d. protect and cushion the fetus from shock.

Question 2

The umbilical cord connects the
 
  a. amnion and chorion.
  b. blastula and zygote.
  c. heart and lungs.
  d. embryo and placenta.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

orangecrush

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

c

Answer to Question 2

d




ETearle

  • Member
  • Posts: 580
Reply 2 on: Jun 22, 2018
Wow, this really help


tanna.moeller

  • Member
  • Posts: 328
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

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

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

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.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

For a complete list of videos, visit our video library