The respiratory system works directly with the circulatory system to provide oxygen to the body. Oxygen taken in from the respiratory system moves into blood vessels that then circulate oxygen-rich blood to tissues and cells.
Probably. If things get worse, you should check a doctor
Answer:
Explanation:Mucus membrane
Natural antibiotic(s)
Immune system
White blood cells
Leukocytes
Lymphatic system
Antigen
Phagocyte
Lymphocyte
T-cells
B-cells
Antibody/antibodies
Fever
Communicable disease
Infection
Pathogen
Skin ( as a protective barrier)
vaccine/vaccination
Stomach
First line of defense
Second line of defense
Third line of defense
Answer:
seek help
alert someone
i'm not sure though that's just my guess
