The stomach has three
layers of smooth muscle fibers run in three different angles. These layers are critical in giving the stomach the capability to mix, well, ingested
food as it is mixed with enzymes and hydrochloric acid. This is important
because smoothe muscles can only contract in one direction hence the layers
give multidirectional movements of the stomach hence goof mixing and better digestion.
Recombinant DNA is the answer
Answer:
The salt in image 1 has greater surface area
<span>Zookeepers
have a difficulty of keeping koala bears alive because Koala bears are
susceptible to viral infections. There is a virus that is present to Koalas
which is called the Koala retrovirus. Koala retrovirus makes a Koala bear more
susceptible to infections and even cancer. </span>