Senses that the organism is in danger spinal cord controls low level thinking su

Question

Senses that the organism is in danger spinal cord controls low level thinking such as things that concern appetite and sexual drive. OReflex actions accur without any brain input The spinal cord typically controls all body movements without any Question 21 1 pts Which of the following explains why an intact human brain is well protected from shock that could be caused by sudden head movement? O The human brain is covered with a web of rubbery substances, protecting it from shock O The human brain is completely immersed in liquid, floating in a bath of blood. O The human brain is iemersed in a foam-like substance, protecting it from shock O The human brain is completely immersed in liquid, floating in a bath of CSF 1 pts Question 22 A "mad" scientist is interested in creating human beings with larger brains

Explanation / Answer

21. The answer is Option 4. The CSF or the cerebrospinal fluid is a clear, colourless liquid that fills and surrounds the brain and the spinal cord and provides a mechanical barrier against shock.

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