Answer:
1. Electrical impulses in the heart cause the muscle to contract.
2. To keep the blood flowing in only one direction
Explanation:
In the first question, the correct answer is ''Electrical impulses in the heart cause the muscle to contract''. Every muscle in our body contracts because of electrical impulses and this is also true for our hearts. Or any hearts in nature that we know of.
In the second question, the answer is ''To keep the blood flowing in only one direction''. We have those valves and without them, we wouldn't be able to function as we do.
Answer:
Working memory.
Explanation:
Working memory is a cognitive system with a limited capacity that temporarily stores and manages the information that we need to carry out certain tasks, such as learning, reasoning and understanding; which is what Janine uses here with her new and existing knowledge. Part of that working memory, that is held for a short period of time while needed, may then be transferred into long-term memory.
Compression or contact stress occurs when a part of your body is subjected to extreme or constant pressure, such as from a sharp or hard object. Correct answer: A
Contact stress occurs when a part of your body rests against something, resulting in discomfort and/or pain. Example: telephone headset that fits too tightly results in contact stress to the head.
two balls until they are out
Answer:
in Illinois, we call it the WICK program. this means pregnant women get regular checkups, and baby formula thru the state...
