Lungs are to breathing as are to cellular respiration.

bronchi
chloroplasts
mitochondria
alveoli

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

Why is the sun hot and can burn you if you get to close

Which of the items below would represent the phenotype of an individual? a. gg b. hh c. brown fur