Muscles. The biggest change in the body caused by regular exercise is to muscle tissue. “Once you take up exercise, you get early changes in gene expression, within hours, and this continues,” says Prof Donnelly. “The genes are for improved aerobic performance and muscle growth.
Answer:
The lymphatic system is a system that manages the fluid levels in the body :)
Explanation:
The relationship is between negative emotions and the progression of HIV infection. It is said that negative emotions like resentment towards a family relative, fears of death and uncontrolled stress contributes to the increasing of the infection, rather than postivie attitudes may serve as a good antibiotic.
Answer:
The Answer is B
Explanation:
My answer keeps getting deleted
Answer:
c
Explanation:
all organs must work together conected
