(Q).
Q: Kidneys, large intestine, liver, skin, and lungs comprise which system? Choices: - Muscular system - Digestive system - Lymphatic system - excretory system A:
(A).
excretory system

(Q).
Q: The ends of linear chromosomes are maintained by the action of which enzyme? Choices: - cytokine - pepsin - insulin - telomerase A:
(A).
telomerase

(Q).
Q: What does phagocytosis defend the body from? Choices: - allergies - obesity - parasites - pathogens A:
(A).
pathogens