Explanation

The average weight of an adult human brain is about 1300 to 1400 grams.

It makes up around 2% of the total body weight but consumes about 20% of the body's energy.

Explanation

The medulla oblongata is part of the hindbrain and plays a key role in transmitting messages between the brain and the spinal cord.

It also controls essential functions such as breathing, heart rate, and blood pressure.

Explanation

• Chemical digestion of proteins starts in the stomach.
• Where gastric juices containing pepsin and hydrochloric acid break down proteins into smaller peptides and amino acids.

Explanation

Bile is a fluid made and released by the liver and stored in the gallbladder.

Bile helps with digestion.

It breaks down fats into fatty acids, which can be taken into the body by the digestive tract

Explanation

• Hemodialysis is a medical procedure that filters and cleans the blood using a machine when the kidneys fail to perform this function effectively.
• It removes waste, toxins, and excess fluids from the bloodstream.