Answer:Mechanical digestion physically breaks down food, like when teeth macerate food into a bolus. The stomach contracts and relaxes in a churning motion. ... Chemical digestion occurs when the bonds within larger food molecules are broken, creating smaller molecules that the body can use.May 30, 2017
Explanation:
<span>When this situation happens you would begin by suspecting an opiate or barbiturate overdose then you would begin mouth-to-mask rescue breathing.</span>
Maya is pregnant and the doctor should tell her about the
condition of preeclampsia that this condition <span>can affect other
organs in the mother's body. It can cause kidney damage, liver failure,
neurological symptoms, such as severe headaches, seizures, and fluid on the
lungs and the reason behind this is may be a substance released from placenta.
And due to this the fetus may not get the nourishment and oxygen it needs for
growth. </span>
<span>the theory that the origin and phenomena of life are dependent on a force or principle distinct from purely chemical or physical forces.</span>. They don't believe in it anymore because it simply had to rely on to many factors that seemed unlikely.<span />
T killer cell or Cytotoxic T cells are the cells in animals that are used to destroy bacteria and viruses after combining with lysosomes.
<u>Explanation</u>:
The T cells kills the bacteria and virus. The T cells can easily identify the pathogen when combined with the lysosomes. The activated T cells releases a material called perforin. This substance gets into the walls of the affected cell and punctures its walls. Due to hole in the walls, there happens discharge of fluid and electrolytes, which leads to the death of the cell. The substance secreted is the cytolytic proteins from the lysosome which helps in destruction of the infected cells.