Que condiciones debe tener una población para crecer en forma de J

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

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.