How do lungs get rid of all the co2 they’ve picked up from the blood? And why do you think the body’s cells need oxygen

What is a codon and where is it found

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder

Explain the significance of the increased cell specialization of the volvocine line