B. The alveoli are responsible for gas exchange with the circulatory
system. describe how the gasses
move as these systems
interact when you breathe in, then exhale.
Include the following
terms:
*Diffusion
*Passive transport
*Oxygen
*Alveoli
*Carbon dioxide
*Capillary

Which of the following is the main purpose of a human community?

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.