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
murzikaleks [220]
3 years ago
7

An activity that occurs in the human body is shown below.

Biology
1 answer:
Marianna [84]3 years ago
7 0

according to another Brainly answer, "When some antibodies combine with antigens, they activate a cascade of nine proteins, known as complement, that have been circulating in inactive form in the blood. Complement forms a partnership with antibodies, once they have reacted with antigen, to help destroy foreign invaders and remove them from the body."

You might be interested in
What is one characteristic of Mercury?
Aloiza [94]

Answer:

<em><u>It </u></em><em><u>has </u></em><em><u>a </u></em><em><u>solid </u></em><em><u>surface </u></em><em><u>that</u></em><em><u> </u></em><em><u>is </u></em><em><u>covered </u></em><em><u>with </u></em><em><u>craters </u></em><em><u>like </u></em><em><u>our </u></em><em><u>Moon.</u></em>

Explanation:

<em>I </em><em>hope </em><em>it </em><em>helps </em><em>u </em><em>dear </em><em>(^^)</em>

7 0
2 years ago
During fetal development, cells from the blood can enter a membranous area that will become the frontal bone. These cells eventu
vesna_86 [32]

Answer:

Osteochondral Progenitor cells

Explanation:

Osteochondral Progenitor cells are cells that can form a specific type of tissue. These cells form cells that can give rise to the bone and its components, especially fibers. These Progenitor cells originate from the mesenchymal stem cells.

The cells which form the bone are known as the osteoblasts and the cell which forms the fiber is known as the chondroblasts.

Thus, Osteochondral Progenitor cells is correct.

3 0
3 years ago
In which type of front is the flow of air on both sides of the front almost parallel to the line of the front?
lisabon 2012 [21]

Answer: the answer is B which is stationary

Explanation:

This type of front behaves like a warm front only that it is quiescent because the front barely shifts its position. The weather may also be similar to that of a warm front. The two abutting air masses run almost parallel to the front because none is stronger than the other to cause displacement.

3 0
2 years ago
Read 2 more answers
I need help, asap please <br>​
valina [46]

Answer:

Air, everywhere, salt, and in the cold

Explanation:

6 0
3 years ago
Who is a geologists<br>​
jok3333 [9.3K]

Answer:

geologist is a scientist who studies the solid, liquid and gaseous matter that constitutes the Earth and other terrestrial planets, as well as the processes that shape them.

6 0
3 years ago
Read 2 more answers
Other questions:
  • When scientists add these organic compounds to water, they form _____ which may be early
    12·1 answer
  • Can someone please help? I need help now.
    7·1 answer
  • a vegtable garden is 12 meters long by 7 meters wide in one square meter, you count two toads. estimate the population of toads
    6·1 answer
  • You exhale about .0800 liters of CO2 (carbon dioxide) gas in a single breath. 22.4 liters of CO2 contain 6.022 x 1023 molecules.
    7·1 answer
  • What is the function of the tomato pulp cell? Also, do they have chromosomes?
    6·1 answer
  • Why were dams built in the early 20th century?
    12·1 answer
  • Please help me in number 2 question, Thanks
    15·1 answer
  • What are two examples of abiotic factors and biotic factors?
    10·2 answers
  • Why does ice float on liquid water?
    9·1 answer
  • How do matter and energy interact in a food web or energy pyramid model?​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!