1. the immune system tries to stop foreign agents by either killing cells directly or by b)creating an unstable environment
2. a chronic auto immune disease where the body produces antibodies that stick to the body's own cells causing the body to attack itself is called d) systemic lupus erythematosus
3. cells that police the body in blood and lymph to kill cancer cells and virus infected body cells are called a) natural killer cells
4. as an infant the ability to produce antibodies is a)limited
6. when abnormal antibodies in the blood start to target tissues with in the body casing paint swelling in joints general fatigue fever chills and headache it is called c) rheumatoid arthritis
8. the fluid that is forced out of the capillary beds by hydrostatic and osmotic pressure into the tissue space is called C) plasma
9. any substance capable of exciting the immune system and provoking an immune response is called a) an antigen
10. tonsils are to the throat as b) peyer's patches are to the intestine
B) Determining the absolute ages of the rock
Answer:
good morning hope you have a nice day ahead
Answer:
The Lungs
Explanation:
The lungs and heart are the two organs that work with blood and air, but the lungs maintains the bond between the body and environment. It makes sure that your nose and mouth can take in air from the environment and THEN, to transfer the air from there to your lungs. This helps your body function. Hence, the answer is the lungs.
