Question

Directions: Fill in each blank with the right word to complete the passage. Use the words in the box after the passage.

The respiratory system is responsible for the intake of (1) __________ and the expulsion of (2) __________ from the body. Air enters the (3) __________ and the nasal hair and mucus trap the dirt, dust and germs. Air moves to the (4) __________ where it is warmed and moistened. It travels down the (5) __________, then to the (6) __________, (7) __________ and finally to the tiny air sacs called (8) __________.

The circulatory system, on the other hand, is responsible for the distribution of oxygen that we inhale. Deoxygenated blood enters the (9) __________, then flows to the (10) __________ which pumps it to the lungs. After gas exchange, blood re-enters the heart and is received by the (11) __________. Blood flows to the (12) _________ then exits the heart via the (13) __________.

The respiratory and circulatory systems work together to provide the body with its much-needed oxygen, (14) _________ and a way to eliminate (15) __________ materials.​

Answer 1

Answer:

abcdefghijklmnopqrstuvwxyz

Answer 2

Answer:

1 Food. 2 undigested food from stomach