describe como viaja el oxigeno a traves del aparato respiratorias apartir de las fosas nasales hasta llegar a los pulmones toma como base las estructuras y organos que se alistan a continuacion BRONQUIOS, FARINGE, TRAQUE, ALVELOS, BRONQUIOLOS, LARINGE, FOSA NASAL

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

the answer is false?

because the light is a great source of energy for the plants to survive. (i hope this )