Answer:
Because if the 4-year-old child passes out from holding his breath, he will immediately begin breathing again, keeping him alive.
Answer: Pretty sure its B
Explanation: When lithospheric plates move apart, it is called a divergent boundary. Mid-Ocean Ridges are found at divergent boundaries.
The other options don't make any sense as the answer.
Answer: D) alpha: catabolism
Explanation:
Glycogen is the storage form of carbohydrates in animals. The major sites of storage are liver and muscle.
Glucagon is a polypeptide hormone, it is secreted by the alpha cells of the pancreas. Low blood glucose causes glucagon secretion. When blood glucose level falls, liver glycogen is broken and help to maintain blood glucose level.
Glucagon stimulates the enzyme glycogen phospholylase which breaks down glycogen into glucose units.
Some micronutrients, such as vitamins e and c, can function as antioxidants in that they are able to neutralize free radicals. Radical are highly unstable molecules produced in our body when we are exposed to toxins. <span>Vitamins C and E, carotenoids (including </span>beta-carotene<span>), and the mineral </span>selenium<span> are all powerful antioxidants found in food.</span>