By injecting dead cells of the disease into the body, the body can analysis what it is supposed to be fighting off before it gets the active diseases. So if the body does actually get the disease then it knows how to fight it off and can have a better chance at doing it.
The bird was frightened by the human as a defense mechanism it knows to fly away for safety.
Answer: True.
Neonates haemoglobin level increase significantly during and following birth.
Explanation:
Neonates refers to a new born baby.
Haemoglobin is the protein in red blood cells that transport oxygen to the blood.
Haemoglobin continue to rise until two hours after birth this is because the infants require haemoglobin with high oxygen affinity which is needed for tissue oxygen and the baby might need to maximize oxygen intake following birth because its need to breath in air for respiration .
