Answer: true
Explanation: Time is very important when an unconscious person is not breathing. Permanent brain damage begins after only 4 minutes without oxygen, and death can occur as soon as 4 to 6 minutes later. Machines called automated external defibrillators (AEDs) can be found in many public places, and are available for home use. Hope this helps
Animals provide a major avenue for many infectious diseases. Many illnesses that are superbly dangerous such as rabies, avian flu, and ebola, are zoonotic, meaning they infect animals but are then transmitted to humans. It is important that we understand our relationship with animals in order to combat these diseases. <span />
The pancreas secretes trypsin and chymotrypsin enzymes which continue breakdown proteins into smaller peptides and some single amino acids. Carboxypeptidase also secreted by the pancreas splits single amino acids from the carboxyl end of proteins.
Bile, which contains a mix salts, is secreted by the liver . Bile salts help to continue digestion of fats by attaching to small fat droplets, preventing them from coalescing into larger droplets, thereby increasing their surface area so that they can be further broken down by lipase enzymes.
