Changes in temperature, salt concentration, ionic concentration, of pH levels
Classification of living things takes into consideration of everything, except A. The number of cells the organism is found to have.
Answer:
A. Integumentary system
Explanation:
The integumentary system consists of the skin,hair and nail. This system consists of the largest organ in the body. The skin helps in protection against pathogens by shielding the internal body system from external objects.
The skin also helps in Vitamin D production through sunlight.
It also helps to prevent dehydration through regulation of water loss.
This is because you have to let your food digest a bit before continuing your work out to prevent cramps and this like that.
