1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dedylja [7]
3 years ago
6

(06.05 MC) What is the correct order of blood flow from the heart to the lungs in the fetal circulatory system? a. Ductus venosu

s, heart, vena cava, ductus arteriosus, arteries b. Vena cava, ductus venosus, heart, ductus arteriosus, arteries c. Ductus venosus, vena cava, heart, ductus arteriosus, arteries d. Vena cava, heart, ductus venosus, ductus arteriosus, arteries
Biology
1 answer:
marishachu [46]3 years ago
4 0

Answer:

c. Ductus venosus, vena cava, heart, ductus arteriosus, arteries

Explanation:

The circulatory system consists of the heart and blood vessels. In a fetus, the circulation of blood is different from circulation after delivery largely due to the fact that the lungs are not in use, rather, the fetus obtains oxygen and nutrients from the mother through the placenta and the umbilical cord.

Blood from the placenta is carried to the fetus by the umbilical vein. While some of this blood enters the fetal ductus venosus and is carried to the inferior vena cava, some others enter the liver. The blood from the inferior vena cava then moves into the right atrium of the heart. The foramen ovale, an opening between the right and left atrium in the fetus directs most of the blood flow from the right into the left atrium, thereby, bypassing pulmonary circulation. Most of the blood from the right atrium flows into the left ventricle and is pumped through the aorta to the rest of the body.  

Some of the blood from the right atrium however, enters into the right ventricle and is pumped into the pulmonary artery. The ductus arteriosus which is a special connection between the pulmonary artery and the aorta in a fetus, directs most of this blood away from the lungs and into the arteries.

You might be interested in
Which organisms make their own food through photosynthesis?
viktelen [127]

well fungi gets alot of its energy from dead things so it would have to be b algae since c and d are just microscopic organisms

7 0
2 years ago
Read 2 more answers
Why was Wegener’s theory rejected?
Fynjy0 [20]

He could not explain why the continents were moving.

4 0
3 years ago
Which of the following represents the correct order of events? a) Food → Krebs cycle → Glycolysis → Fermentation b) Food → Glyco
iogann1982 [59]

Answer:

The correct answer is b) Food → Glycolysis → Krebs cycle → Electron transport chain.

Explanation:

When food enters the organism it goes through a lot of processes to become the beginning of glycolysis which produces pyruvate, which turns into acetyl CoA, which at the same time is the beginning material of Krebs cycle. The products of this cycle provide energy for the electron transport chain (NAD(H) and FAD(H)).

3 0
3 years ago
Read 2 more answers
Help me please i need to pass
yanalaym [24]

Answer:

proteins; codons

Explanation:

6 0
2 years ago
Every cell in an animal is separated from other cells and from the extracellular
crimeas [40]

Answer:

Cellular Fluids and Organelles

Explanation:

Hope this helped

3 0
3 years ago
Read 2 more answers
Other questions:
  • This morning in class, oya learned about the way neighboring neurons are involved in the firing of an individual neuron. If enou
    15·1 answer
  • The random distribution of homologous chromosomes during cell division is known as
    6·1 answer
  • When a cell has become too __________, nutrients can no longer be imported in sufficient quantities, and wastes can no longer be
    12·1 answer
  • Which phrase describes one characteristic of radioactive elements
    7·2 answers
  • Which of the following might trigger erythropoiesis?
    5·1 answer
  • Does this model represent a compound? Explain your answer.
    11·2 answers
  • why is it important to have the contributions of scientific from backgrounds when evaluating scientific claims?
    5·2 answers
  • Which term best describes the organic molecule below?
    9·1 answer
  • A student drew the following model.
    7·1 answer
  • When two people are in a race, what do you need to know to determine who is the fastest? (Select all that apply.)
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!