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
jeyben [28]
3 years ago
5

10. Blood returning to the mammalian heart in a pulmonary vein drains first into the

Biology
1 answer:
Archy [21]3 years ago
3 0

Answer: Option B.

Left atrium.

Explanation:

Pulmonary veins are veins that transmit oxygenated blood from the lungs to the heart. There are four largest pulmonary veins,two from the lungs that drain into the left atrium of the heart. The blood that is drained into the left atrium is pumped into the left ventricle through biscupid valve. The pulmonary vein function in respiration by receiving oxygenated blood in the alveoli and return it to left alveoli.

You might be interested in
Which nonspecific defense mechanism increases the resistance of cells to viral infection and slows the spread of disease?​
satela [25.4K]

Answer:

Which nonspecific defense mechanism increases the resistance of cells to viral infection and slows the spread of disease?​

the nonspecific defense mechanism that increases the resistance of cells to viral infection and slows the spread of disease is called phagocytic barrier

Explanation:

Phagocytic barrier helps to attack any foreign materials that enteiers the body system sych as bacteria, viruses among others.

5 0
3 years ago
Sample Response: When there is less rainfall, land,
Nataly [62]

Answer: there is no correct answer to this question i just took the test and the answer is whatever you want to answer

Explanation:

just took it on edg 2020

6 0
3 years ago
Lghuiio uuiiijokkkk hiiiooo​
Evgesh-ka [11]

Answer:

Ok Ighuiio uuiiijokkkk hiiiooo too!!!

Explanation:

5 0
2 years ago
Read 2 more answers
For some Gram-negative bacterial infections, antibiotic treatment can cause a more severe reaction than that caused by the base
Anni [7]

Answer:

Polymyxin because, it inserts into the cell membrane and disrupts homeostasis.

Explanation:

Antimicrobial effect reacts with the cell membrane of the gram negative bacteria and causes disruption in their cell membrane by creating pores.

The cell membrane of bacteria release endotoxin for creating defense mechanism.

But the effect of certain antimicrobial peptide disrupt the effect of membrane by releasing electrostatic interaction and creates membrane pores.

The interaction between the microbial peptide and the cell membrane causes disruption of the cell.

Thus polymyxin is used to treat against the gram negative bacteria as they breaks the cell membrane of the bacteria.

7 0
3 years ago
What molecules do both dna and rna contain
podryga [215]
DNA and RNA are both made up of monomers called nucleotides. They also both have three nitrogenous bases: Adenine, Cytosine, Guanine.
8 0
3 years ago
Read 2 more answers
Other questions:
  • Will mark brainliest!!!!!!!
    9·1 answer
  • If both the glomerular and capsular hydrostatic pressures remain unchanged, an increase in the blood colloid osmotic pressure re
    13·1 answer
  • The blue catfish was intentionally introduced into the James River, from the
    10·1 answer
  • Which is not a characteristic of amniotic sac
    10·1 answer
  • What causes a star to shine brightly?
    9·2 answers
  • Chromosomal rearrangements are considered large-scale mutations. Point mutations are considered small-scale mutations, and are o
    5·1 answer
  • What is involved in the Job of the Secretary of State?
    9·1 answer
  • Ocean currents store energy and help to distribute heat and
    12·1 answer
  • The basic principle of energy means that energy:
    11·1 answer
  • Could anyone help me pls would appreciate it​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!