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Chapter 1 and 2

Across
One type of mineral salts
Divides into superior and inferior portions
This system is responsible for the digestion of our food
Waste product of cellular respiration
One type of mineral salts
This system contains endocrine glands and their hormones
Salt concentration is equal insider and outside of the cell
Exchange of oxygen in the blood is an example of this process
Towards the front
Down
Movement of water
This system contains the bones
Salt concentration is equal insider and outside of the cell
Walls of a cavity
Exchange of oxygen in the blood is an example of this process
Nearest the mid-line
This system contains endocrine glands and their hormones
Walls of a cavity
The solution of salt inside the cell is higher than the outside of the cell
Divides into superior and inferior portions
The solution of salt inside the cell is higher than the outside of the cell
This system is responsible for the digestion of our food
This system contains the brain and spinal cord
Nearest the mid-line
Covering of an organ
Required for breathing- room air is 21%