Instructions for the students:
Read the questions and answer all the questions independently.
1. Fill in the blanks.
(2
a. The_______
is important for chewing, mixing and swallowing.
b. The_______
cells in blood protects us from infection and diseases.
is a muscular sack used to store the food that we eat.
C._________is a muscular sack used to store the food that we eat
d. The vessels that carry blood from various organs towards heart are called_____​