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

Author Question: Blood flow in the placenta A) freely travels between mother and embryo as part of one circulatory ... (Read 99 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
Blood flow in the placenta
 
  A) freely travels between mother and embryo as part of one circulatory system.
  B) is blocked, keeping the embryo isolated from the mother's body.
  C) is a potential cause of miscarriage.
  D) allows certain substances to pass through the placenta, even though mother and embryo's circulatory systems do not mix.

Question 2

Young teens who are sexually active may be less likely to use contraception because
 
  A) of lack of information.
  B) they feel it isn't cool to use contraception.
  C) they are not allowed to purchase contraceptives.
  D) they cannot afford condoms.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

abctaiwan

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

D

Answer to Question 2

A




jc611

  • Member
  • Posts: 552
Reply 2 on: Jun 22, 2018
Excellent


kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

For a complete list of videos, visit our video library