Answer:
The fetus gets it's nourishment through the umbilical cord that is connected to the mother's uterus
I would say A is the correct answer. B and C are definitely wrong, and I think D is talking about genes and not chromosomes.
Answer:
Post-synaptic neurons after receiving correct ligands called as neurotransmitter in correct amount generates action potential. This action potential may be inhibitory or accelatory.
Explanation:
Postsynaptic neuron
:
These are the neurons that is present after the gap called synapse. These neurons after receiving correct ligands called as neurotransmitter in correct amount generates action potential. This action potential may be inhibitory or accelatory.
There are number of neurotransmitter. These includes
GABA ergic: This neurotransmitter is often inhibitory.
glutamatergic: This neurotransmitter is often excitatory.
Adrenergic: This neurotransmitter releases norepinephrine.
Cholinergic: This neurotransmitter activates vertebrate neuromuscular junction.
Answer:
I think its organic material from plants and animals
Explanation
Edge 2020
Sound travels faster in solid