Answer: Skin
Explanation:
Level one of this system consists of physical barriers like your skin and the tears, sweat, saliva and mucous produced by the skin and mucosal lining are part of that physical barrier, too.
It’s usually referred to a depressant with hallucinogenic and stimulating properties
Answer:
Transfusion with the wrong blood type can cause a severe reaction that may be life-threatening.
Explanation:
A reaction causes your body to form antibodies that attack the new blood cells.
Answer:
1- It allows to fulfill the cycle of the life According to the cycle of life, all organisms are born, reproduce and die. In this sense, reproduction is an element relevant to the cycle of life because it allows the birth of new individuals, which will then be reproduced giving rise to other individuals, and so on. 2- Guarantees the next generation
Explanation:
Answer:
b
Explanation:
becuse kidney failure can kill you and it also helps you pee