Answer:
4, 5, or 6
Explanation:
Since the average female menstrual cycle is 2-7 days, it would need to exist on one of the later days, such as Day 4, 5, or 6.
Answer:
the def
Explanation:
Fecundity is the capability of an individual or population to produce offspring whereas fertility is the number of offspring produced by the population or the individual.
Answer:
caused acetylcholine to be continuously released by the motor neurons.
Explanation:
The venom of black widow spider is neurotoxic and contains α-latrotoxin. This toxin binds to the surface receptors of neurosecretory PC12 cells and vertebrate synapses and activates the release of the neurotransmitter acetylcholine.
Acetylcholine is the neurotransmitter which plays important role in muscle contraction so the toxin allow the continuous release of the neurotransmitter which cause contraction of smooth muscle in airways and other muscle in the body and cause breathing difficulties and muscle spasms.