Question

i need help with biology

Answer 1

where is ur question dear....

Answer 2

How does the release of histamine by white blood cells cause inflammation on an open wound?









Histamine is responsible for allergic reactions.



Histamine is composed of small sticky particles that circulate in the blood and allow it to form blood clots when bleeding.





Histamine dilates blood vessels and increases blood flow to the area, which causes redness and swelling.



Histamine coats all of the cells within the body and is responsible for giving them nutrients and oxygen and moving waste from the bloodstream and other tissues when injured.

Answer 3

question above

Answer 4

you there

Answer 5

I think 3rd option is right...

Answer 6

The _____ is a large organ that functions to remove old _____ from the blood stream, filter out disease producing microbes, and store extra blood and _____.









tonsils, red bled cells, lymph



thymus, cells, lymph





spleen, red blood cells, platelets



liver, white blood cells, platelets

Answer 7

Here also 3rd option is right...

Answer 8

How does the lymphatic system interact with the circulatory system?









The circulatory system is regulated by the lymphatic system.



The lymphatic system removes waste from the blood stream.





The lymphatic system controls the circulatory system.



These two systems do not interact.

Answer 9

The lymphatic system removes waste from the blood stream.

Answer 10

It is unlikely for people to get diseases, such as chicken pox, more than once. Which aspect of immunity explains this?









acquired immunity



innate immunity





immune response



inflammatory response

Answer 11

IMMUNE RESPONSE because our immune system has certain memory cell that can memorised first encounter with the pathogen.

Answer 12

Which of the following is a noninfectious disease?









common cold



bird flu





strep throat



leukemia

Answer 13

leukemia is noninfectious disease bcoz it is a type of cancer

Answer 14

i need help

Answer 15

yes tell me

Answer 16

Mononucleosis is an infectious disease that can only be cured with plenty of rest and fluids. It is caused by a _____.









bacteria



fungus





parasite



virus

Answer 17

Mononucleosis is an infectious disease that can only be cured with plenty of rest and fluids. It is caused by a virus known as Epstein-Barr virus.

Answer 18

r u testing me bio?

Answer 19

Which of the following statements is true?









When pathogens enter the body, it is up to the white blood cells to locate, attack, and destroy them.



When pathogens enter the body, it is up to the red blood cells to locate, attack, and destroy them.





When pathogens enter the body, it is up to the lymph nodes to locate, attack, and destroy them.



When pathogens enter the body, it is up to the complement system to locate, attack, and destroy them.

Answer 20

When pathogens enter the body, it is up to the white blood cells to locate, attack, and destroy them.

Answer 21

Which of the following statements is FALSE?









B-cells produce antibodies to fight antigens.



Lymphocytes mature into macrophages.





T-cells develop in the thymus.



Neutrophil is a phagocyte.

Answer 22

Lymphocytes mature into macrophages.

Answer 23

Which of the following is NOT made up of only proteins?









the complement system



antigens





antibodies



the spleen

Answer 24

i think antigens and i am not sure for that...sorry

Answer 25

Which of the following infectious diseases is a sexually transmitted disease caused by a virus?









HIV



AIDS





All answers are correct.



herpes

Answer 26

AIDS

Answer 27

Which of the following types of cells produce and release antibodies into the bloodstream?









T-cells



memory cells





plasma cells



stem cells

Answer 28

memory cells