16. The blood carries digested nutrients to body cells. What two systems are involved?
A. skeletal, digestive
B. respiratory, muscular
C. circulatory, digestive
D. muscuiar, digestive
system to provide our body with oxygen.
17. The circulatory system works with the
A. respiratory
B. digestive
C. muscular
D. skeletal
18. What two body systems are most useful in getting nutrients from the food you eat to the different
parts of your body?
A. Muscular and endocrine system
B. Nervous and digestive system
C. Nervous and circulatory system
D. Circulatory and digestive system
ms
19. When you inhale, the oxygen that goes in to your lungs is transported to the blood to be delivered
throughout your body. What systems are working together in this situation?
A. respiratory and circulatory
B. skeletal and muscular
C. nervous and circulatory
D. digestive and nervous
n
20. When you eat vegetable, the nutrients are absorbed by the small intestine to be handed over to
the blood. Then, the blood carries those nutrients where they need to go. Which systems are
involved?
A. respiratory and digestive
B. skeletal and muscular
C. nervous and circulatory
D. digestive and circulatory
21. Which animal have gills when young and develops lungs during the adult stage?
A fish
B. frog
C. turtle
D. crocodile
22. Different kind of parrots are classified as birds because their bodies are covered with
A fur
B. gills
C. scales
D, feathers​