The second line of defence is a group of cells, tissues and organs that work together to protect the body. This is the immune system.
When a pathogen (disease-causing organism) invades the body, the neutrophils gather at the entry site and try to engulf it and destroy it.
A T helper cell will recognise only one pathogen. If the T helper cell recognises the invader, it will immediately clone to increase numbers.
After a few days of fighting off the pathogen, you will recover from your infection.
Menopause happens because of a DECREASE in the ovaries' production OF the hormones ESTROGEN and progesterone.
Answer: C,C,B,D,A,B,A,B,T,T,T,T,T,T,F
Explanation:
Malice acid is rare but it is also for candy
