What is the molecule produced in mitochondria when glucose is broken down

Lactic acid fermentation occurs in your muscles after a workout because your cells are struggling to get

This is a tube about 12 cm long with C shaped rings of cartilage

Cluster of tiny air sacs that allows exchange of Oxygen and Carbon dioxide

Muscular structure that helps to expand and contract the lungs forcing air in and out

This is a tube like passage used for food, liquid and air

Alveoli increase the surface area in the lungs to allow

The part of human respiratory system which moisten the air and has hair to trap the dust particle

Given the following structures:

1. Alveoli

2. Bronchi

3. Bronchioles

Which of the following is a correct order in which air would flow after inhalation

Which of the following is not a characteristic of human lungs

The movement of oxygen from the alveoli to the blood and from the blood to the tissues is due to the process of

The role of the mucus and cilia in the respiratory system is to

Left lung has two lobes and right long has three lobes because to accommodate

The outer covering of human lungs is called

Name the Pores in a leaf through which respiratory exchange of gases takes place

When air is blown from mouth into a test tube containing lime water the lime water turns milky due to the presence of

Rate of breathing in aquatic organism is much faster than Terrestrial organism due to

The use of oxygen by the cells to release energy from food is called

During inhalation the diaphragm moves