Answer:The immune system is a network of cells, tissues and organs that work together to attack pathogens that try to invade your body. Bacteria, parasites and fungi that may cause infection meet a system of immune soldiers, including T-lymphocytes, macrophages and neutrophils.
Explanation:
Answer:
According to the set point theory, changes in adipose tissue mass are communicated to the brain, resulting in changes in energy expenditure. The set point theory of body weight regulation suggests that when someone gains weight beyond his or her set point, signals are produced that cause an increase in _____ and a decrease in _____ such that weight loss is induced.
Explanation:
:)
Answer:
I think infants and small children
Explanation:
Their body is still developing and kids are at a high chance if dying young anyways
Answer:
B
Explanation:
Prokaryotic cells do not have a nucleus
Prokaryotic cells lack many membrane-bound organelles thus they have no mitochondria