It's caused by a buildup of lactic acid, but is really a signal your muscle is using to let your brain know it's running out of energy. Eventually, you'll build up enough endurance that your muscles won't freak out so soon.
Answer:
hi there how are you. I have always been trying to a good friend even if I had a bad day I would always keep my family and friends at first sometimes I feel like no one is there for me even if I am with them if they had a bad day or had a fight tell me if I am wrong is it wrong to be nice to people's??
Answer: Apoptosis
Explanation:
Apoptosis is also known as "the death of cells", it is a cellular process that occurs when cells undergoes self destruction, this process helps to keep the body healthy and also protects the body. Apoptosis plays an important role by helping the body to get rid of viral infections within the cell before it spreads.
Scientists have discovered that an adult human being go through the process of apoptosis losing about 50-70 billion cells every day while for a child between 8-14 years, 20-30 billion of cells die every day due to apoptosis.
Apoptosis occurs shortly before menstruation via hormonal stimuli, in which there is the breaking down of the endometrium, it sloughs off and then undergo regeneration.
~Hello there!
Your question: Gas exchange in the lungs is facilitated by: ___________.
Your answer: Gas exchange in the lungs is facilitated by adequate amount of surfactant.
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