Because we have been to busy trying to explore new areas rather than our own and were probably to scared to know what's in our planet so it doesn't cause panic
Answer:
The roots organ is genereally placed under the soil and may undero variious modifications. The roots are present in plant that help them to absorb water and nutrient from the soil.
Some plant roots contains the bacteria that helps in the conversion of nitrogen into ammonium ions. The plants changes the roots because the rhizobium present in plant roots helps in the conversion of nitrogen so that it can be used by the plants. The Rhizobium produces ammonium (NH4+) ions.
The most prominent systemic manifestations of inflammation include the following:
- The acute-phase reaction, modifications in WBC count and fever.
- The liver rises the synthesis of acute-phase proteins such as Fibrinogen, C-reactive protein (CRP) and serum amyloid A protein (SAA) that all serve unalike defense functions.
- Increase in WBC count. Normal is 4-10.
- Sepsis can take place.
Answer:
The correct answer is C) arachnoid mater.
Explanation:
Arachnoid mater, along with pia mater and dura mater, form the <u>meninges</u>, a very thick membrane that protects the brain and the spinal cord. The arachnoid mater is in the middle of the other two layers and it is very important since it holds the <u>cerebrospinal fluid (CSF)</u> in its interior. Arachnoid mater has finger-like projections that enter the dural venous sinuses and are called <u>arachnoid villi</u>. These villi are responsible for the diffusion of CSF into the blood.
It is a hollow ball of cells formed after a fertilized cell undergoes cell division.
I'm a Biology major, hope I helped :)