Explanation

• Incisor teeth are responsible for biting and cutting food into smaller pieces, making it easier to chew and swallow.
• They are located in the front of the mouth and are designed for cutting and snipping.

Explanation

• Canines, also known as cuspids, are pointed teeth used for ripping and tearing food.
• They are located on either side of the incisors.
• It are designed for piercing and tearing flesh, making them ideal for eating meat and other tough foods.

Explanation

Teeth are responsible for biting, chewing, crushing, and grinding food into smaller pieces, making it easier to swallow and digest.

Explanation

• The stomach secretes stomach juices, also known as gastric juices, which contain digestive enzymes and acids that break down proteins, carbohydrates, and fats into smaller molecules.
• These juices help to digest food in the stomach.

Explanation

• The stomach mixes food with digestive enzymes and acids.
• It churning and blending it into a liquid mixture called chyme.
• Much like a mixer combines ingredients together.

Explanation

• Storage: Holds food temporarily
• Mechanical and chemical breakdown: Mixes and digests food with enzymes and acids
• Liquification: Converts food into a liquid mixture (chyme)
• Emptying: Releases chyme into the small intestine for nutrient absorption

Explanation

The stomach is a J shaped sac about one foot in length that lies under the diaphragm on the left of the abdominal cavity.

The stomach has three parts:

1. The region where the stomach opens is known as the cardiac stomach.
2. The main body is known as fundus.
3. The posterior portion which opens to the intestine is known as the pyloric stomach.

Explanation

• When you swallow food, sweets, or drinks, they pass through the esophagus and enter the stomach.
• Where they are mixed with digestive enzymes and acids to break down proteins, carbohydrates, and fats.

Explanation

• Most headaches are caused by irritation or inflammation of the nerves in the head and neck, rather than the brain itself.
• This can be due to various factors such as tension, stress, or medical conditions.

Explanation

• The adult human brain weighs about 3 pounds (1,300-1,400 g).
• The adult human brain is about 2% of the total body weight.
• The average human brain is 140 mm wide.
• The average human brain is 167 mm long.