I NEED YOUR HELP PLEASE ANSWER THIS Choose all the answers that apply.

Which of the following systems use the cardiovascular system for the transport of materials?

excretory system
digestive system
endocrine system
respiratory system
immune system

During the apollo moon missions, astronauts were concerned about the effects of newton's third law of motion when: o a. they ejected waste water, because they were concerned that it would push them off course. o b. they reentered earth's atmosphere, because they were carrying heavy moon rocks. o c. they took off from earth, because a large force was required to generate large acceleration. o d. they detected incoming space debris, because the inertia of the debris could damage their ship.