What is the role of the pancreas

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.

Which diagram best represents the chromosomes that would be found in a two new skin cells produced as a result of this process?