Respiration is the process by which 02 is taken in and CO2 is given out. The first breath takes place only after…
Here are the ways how digestion takes place in mouth to the esophagus- A) IN MOUTH- Mechanical digestion in the…
A salivary gland releases a secretion called saliva into the oral cavity. Saliva is secreted to keep the mucous membranes…
The digestive system includes- the gastrointestinal (GI) tract and the accessory digestive organs. The gastrointestinal (GI) tract, or alimentary canal,…
Respiration is the process by which 02 is taken in and CO2 is given out. The first breath takes place only after…