Answer:
water, air , nutrients
Explanation:
water for circulation , air for breathing , nutrients for growth
Answer:
13
Explanation:
it get recycled again when it becomes old
The object has to possess movement, growth and development, response to stimuli, reproduction, use of energy and possession of cellular structures.
HOPE THIS HELPS!
The digestion of the food in humans begins in the mouth. In the mouth, the salivary amylase enzyme digests and breaks down a small amount of the starch present in the food. The digestion process begins right in the mouth. and continues till the intestine. The carbohydrates (starch) are the ones whose digestion starts in the mouth.
Hence, the blanks can be filled with 'mouth and amylase' respectively.