Because then the people who live there could know if they are safe
The development of the unborn child's nervous system begins at about <u>5 weeks.</u>
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- A developing fetus's central nervous system begins as a straightforward structure termed the "neural groove," which folds into the "neural tube."
- The brain and spinal cord then develop from this. The brain tube should be closed and fused by day 28 following conception.
- Within her embryonic body, the neural plate, an oval-shaped disc of tissue, begins to form.
- Although the intricate elements of the brain continue to grow and develop through the end of pregnancy, development ends around the age of 25, the brain and nervous system of the embryo start to develop at just 5 weeks.
learn more about nervous system here: brainly.com/question/26348097
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The answer is B) the energy contained in the bonds of a sugar molecule
Answer:
symbiosis
Explanation:
Symbiosis is a close relationship between two species in which at least one species benefits.Parasitism is an example of symbiotic relationship in which one species (the parasite) benefits while the other species (the host) is harmed.
Answer: heres the 3 main functions.
Explanation:
membranes have three primary functions 1) they keep toxic substances out of the cell 2) they contain receptors and channels that allow specific molecules, such as ions, nutrients, wastes, and metabolic products, that mediate cellular and extracellular activities to pass between organelles and between the cell and the outside environment and 3) they separate vital but incompatible metabolic processes conducted within organelles.