Layers of Stomach

Q.

What are the layers of the stomach?

Q.

The lining of the intestinal wall from outside to inside is made up of:

1. Longitudinal muscles → circular muscles → submucosa → mucosa

2. Circular muscles → longitudinal muscles → submucosa → mucosa

3. Mucosa → submucosa → longitudinal muscles → circular muscles

4. Submucosa → longitudinal muscles → mucosa → circular muscles

Q.

What are the 10 organs in the human body?

Q.

The region of a curve is its

1. Interior

2. Exterior

3. Boundary

4. Interior together with its boundary

Q. The irregular folds of the inner wall of stomach are called

1. papilla of vater
2. rugae
3. villi
4. fissure

Q.

State one main function of the stomach.

Q.

In context with the adaptations of the stomach in humans, fill in the blanks by choosing the correct option :

The stomach in humans is lined with an extra layer of (i)__________ for better mixing and churning of food. It even has numerous folds called (ii)________ to increase the area of absorption with many inner mucosal secretory glands called (iii)_________for the production of enzymes and has specially formulated (iv) ________ to protect the walls of the stomach from the action of HCl.

1. i).$\to$ Muscle, ii).$\to$ Rugae, iii).$\to$ Gastric glands, iv). $\to$ Mucus.

2. i).$\to$ Rugae, ii).$\to$ Gastric glands, iii).$\to$ Mucus, iv). $\to$ Muscle

3. i).$\to$ Gastric glands, ii).$\to$ Mucus, iii).$\to$ Muscle, iv).$\to$ Rugae

4. i).$\to$ Mucus, ii).$\to$ Muscle, iii).$\to$ Rugae, iv).$\to$ Gastric glands