The vomiting reflex is used to remove toxic material from the stomach before it is absorbed, and vomiting is a reflex controlled by a vomiting center in the brain. Given these facts, what is the throwing up center of the brain used for among the following options: - dissolving enzymes  - repair cells in the human body  - solving equations  - keeping food fresh for long periods of time  - remove toxic material from the stomach before it is absorbed  - Something that can be converted to kinetic and heat energy by a motor  - lower the surrounding pressure  - regulate breathing
remove toxic material from the stomach before it is absorbed

Caecilians can be found in moist soil near rivers and streams in tropical regions, and cobra bobo is the local name for caecilian. Given these facts, what can be found in moist soil near rivers and steams in tropical regions among the following options: - ferns  - insects  - humans  - cobra bobo  - storing water  - weathering  - animals  - clouds
cobra bobo

When an animal moves , chemical energy is converted to mechanical energy, and cows are social animals. Given these facts, what converts chemical energy to mechanical energy when it moves among the following options: - Birds  - bears  - cows  - Whales  - toads  - hawks  - cars  - fish

cows