Answer:
B
Explanation:
Hence When we eat food it closes but when we talk While eating the epiglottis would remain open and the food may enter windpipe which may trigger violent coughing to clear the food material out of trachea or may get serious by Chocking and may be fatal. That is why it is not advised to talk while eating
The rescue workers can get energy to the batteries in their equipment during rescue missions by using a generator to convert the kinetic energy to potential energy. Potential energy is then stored in the battery.
C
The respiratory system removes the waste carbon dioxide produced from aerobic respiration in the body.
Answer:
Calcium is a chemical element with the symbol Ca and atomic number 20.
Explanation:
