What happens to the corpus luteam and prgesterone if fertilization doesnt occur

Explanation:

If fertilization does not occur the corpus luteum will stop secreting progesterone and will decay and turn into a corpus albicans

step 1: replication fork formation.

step 2: primer binding.

step 3: elongation.

step 4: termination.

explanation:

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when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.