Selective permeability is when a cell membrane allows some molecules or ions to pass through it, but not others.
Osteoporosis affects the the skeleton whereby the bones become brittle and fragile as a result of deficiency in vital nutrients such as calcium and vitamin D
Answer:
The answer is : They are both made of one or more cells.
Answer:
D
Explanation:
The neural pathway regulates the action reflex. At times sensory neurons synapse occur in the spinal cord rather than the brain, this allows for a quicker reflex action. Synapses in the spinal cord activate spinal motor neurons without delay, which is likely the case if the signals go to the brain, the brain doe however receive the sensory input during the reflex action.
The byophyte cycle (which is a life cycle) goes through haploid, and diploid stages
