Question

QT
1. A series of
Objective type questions
A. Fill in the blanks with the correct words.
(physical/chemical) reactions result in the release of
energy by oxidation of food.
2. When the diaphragm
(contracts/expands) oxygen-rich air is taken
into the lungs.
3. The wind pipe is made up of several ring-like structures, held together by
(muscles/cartilage).
4. Plant roots typically take in
(oxygen/carbon dioxide) available in small
spaces between soil particles and give off
(oxygen/carbon dioxide).
5.
(Aerobic/Anaerobic) respiration is the most efficient form of respiration.​

Answer 1

Step-by-step explanation:

1 st is chemical reaction

2nd is contracts

3 is I dont know

4 carbon dioxide and give off oxygen

5 is anaerobic