Valsalva maneuver would be the correct answer :)
Answer: Human evolution, the process by which human beings developed on Earth from now-extinct primates. Viewed biologically, we humans are Hono Sapines, a culture-bearing upright-walking species that lives on the ground and very likely first evolved in Africa about 315,000 years ago.
Answer
Option B. This mutation will increase the sensitivity of the DPH receptor to voltage changes, which will induce continued muscle contraction.
Explanation:
Since the receptor stays open, it allows for calcium to be released from the sarcoplasmic reticulum and thus, enables muscle contraction to take place.
Hope that answers the question, have a great day!
Answer:
C) Network of interconnected membranes.
Answer: Cars that produce fossil fuels. Plastic shopping bags that use tons of plastic each year. Overfishing causes large losses of food that other organisms need. Hope this helps. :)