What do meninges and the cerebrospinal fluids have in common

2 answers:

8 0

Meninges and cerebrospinal fluid both protect the brain from physical shock.
Meninges is one of the membranes that engulf the brain .
Cerebrospinal fluid is the fluid that the brain floats in and absorbs shocks. #answerwithquality #BAL

Ahat [919]3 years ago

6 0

Answer: Both are found in the central nervous system that is, the brain and the spinal cord. Both serve as forms of protection and support to the central nervous system.

Explanation: Meninges is a membranous envelope that offers a protective covering to the brain and the spinal cord against trauma. It is made up of three parts: pia mater, arachnoid and dura mater.

Cerebrospinal fluid is a liquid which flows in the space between the arachnoid mater and the pia mater. It serves as a cushion to the brain and the spinal cord against trauma and provides mechanical and immunological protection to the brain.

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Sexual reproduction produces genetically different offsprings which do possess variations, hence better chance to survive in the environment.

Option C

<h3><u>Explanation:</u></h3>

Sexual reproduction is the process of reproduction where there's a fusion of gametes from a male and female of the same species, resulting in a zygote and eventually an offspring. Sexual reproduction is very advanced type of reproduction which is very expensive for an organism. Much of the energy of the organism is spent to produce gametes and other necessary processes for reproduction.

Gametes of the sexual reproduction is produced mainly by means of meiotic cell division. This involves crossing over and chaismata formation which helps in genetic variations in the offspring. These variations help the species to survive unknown changes in environment, and helps to adapt quickly lessening the chances of extinction. So sexual reproduction has modified various times in different groups of species.