Answer: b is ineffective pointing lights on billboards and street signs upward
Answer:
I guess its Population
I'm not sure im just trying to help
During pregnancy a mom can come in contact with germs, creating antibodies. These antibodies are then passed onto the baby in the breast milk. These anti bodies protect the babies from infections during the earlier years. In addition, vaccinations are also administered to newborns. Let me know if you have questions !
Answer:
Lung
Explanation:
Lungs expand to pull oxygen into the body and contract to push it back out. The larynx is known as the voice box which is an air way passage to the lungs and a pharanx is membrane lined cavity behind the nose and mouth. Neither of these really expand or contact during inhalation so the answer is Lungs.
Muscles are named according to their size, location, function, origin or insertion point. The location of muscles are named on the bases of their size and location such as sternocleidomastoid which is named after its origin ( on ster-num and clavicle) and insertion ( mastoid process).
Naming of the muscles after its function that allows a person to move speak and chew , they can control heartbeat , breathing and digestion.Skeletal muscles are attached to bones and helps in its movement , and perform involuntary function and cardiac contractions.
There are more than 650 muscles in human body such as smooth muscle, they perform variety of vital function.
To learn more about the Muscles here
brainly.com/question/9883108
#SPJ4