What is the main purpose of the organ system shown below?

Biology

2 answers:

yulyashka [42]3 years ago

7 0

Answer:

b. provides supporr for the body and protects delicate internal organs

Explanation:

For example, without your bones, you wont have any struture or support. You will be just like a glob. (look at the attached image for a greater understanding). Also, for exmaple: yout ribs protects you heart and you lungs, The bones that protect your brain are; two parietal bones, one frontal bone; two temporal bones, one occipital bone, one sphenoid bone and one ethmoid bone. These eight bones make up the cranium, which protects your brain.

Oduvanchick [21]3 years ago

4 0

Provides support for the body and protects delicate organs

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The highlighted structure separates the oocyte from the externally located ________. zona pellucida primary follicle corona radi

Naya [18.7K]

Answer:

Granulosa cells

Explanation:

Foliculogenesis is a dynamic and complex process through which the follicle goes through many stages of development in a short period (approximately 60 days in humans and some chimpanzees).

The stages classification is based on morphological changes such as follicular size or diameter, the number of follicular cell layers, etcetera. These classifications might vary among authors but could be denominated as:

Primordial follicle

Primary follicle

Secondary follicle and

De Graaf follicles (This is the one shown in the image)

Through each stage, there are certain modifications in the oocyte, follicular cells, and connective tissue. As the oocyte grows, the follicular cells might reach a size twice or three times bigger than the ones of the primordial follicles. Their shape also changes and they adopt an aspect of stratified epithelium. Their cytoplasm gets a granulous aspect, after what these cells receive the name of granulous cells. The De Graaf follicle characterizes for having a space named follicular antro that displaces the oocyte to one of the sides.

The oocyte at this point gets surrounded by zona pellucida and corona radiata .

The follicular antro (The highlighted structure) separates the oocyte from the externally located granulosa cells or follicular cells.