PLEASE HELP How are the waste products of respiration removed?
(SELECT ALL THAT APPLY)

A) Food waste moves from the digestive system to the cardiovascular system.

B) Carbon dioxide is removed by respiratory organs.

C) The cardiovascular system transports waste products from cells to other systems.

D) Oxygen molecules are removed by the cardiovascular system.

Which best explains how this maneuver unblock a person's airway?

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.