Answer:
False.
Explanation:
Osteons does not run perpendicular to the diaphysis of a long bone because osteons runs parallel to the long axis of the bone and it is a structural unit of cortical bone which contain lamillae, a bone layer that surrond the hollow passageway called Harvesian canal and this canal contain blood vessels that supply blood to osteocytes.
Answer: Enzymes are life’s great facilitators. They create the conditions needed for biochemical reactions to happen fast. The general name that chemists use for chemical entity that increases the speed of a reaction is “catalyst.” Enzymes are biological catalysts they catalyze the chemical reactions that is happen inside living things.
Explanation:
The body recognizes after the body has been presented with or dealt with the pathogen before. the immune system defends against pathogens and the immune system then after recognizes the pathogen when the pathogen has been killed. the pathogen is recognized through the proteins presented on its surface. vaccinations contain pathogens but in small amounts in which the body can control and defend against, after the body has killed the pathogens it will later recognize it and defend better
Your body has many organs,such as a heart and the lungs. An organ is a structure made of two or more tissues that work together for a common purpose. Hope this answers the question. Have a nice day. Feel free to ask more questions.
Answer:
Approximately eight minutes.
