It is related to the direct
transmission of the pathogen to the open wound as the site. The open wound is
the portal of entry. It is the entry point of the microorganism to enter the susceptible
host and cause an infection.
<u>Answer:</u>
The human beings serve as replica/model of the mammals.
<u>Explanation:</u>
- A mammal is a vertebrate and it has fur, mammary glands (female) and feeds the young ones with milk, a neocortex (region of the brain) and three middle ear bones. This differentiates them from reptiles and birds.
- All mammals are 'warm blooded' because the body temperature heats the blood.
- A few mammals like the platypus lay eggs. The mammals are at the top of the food chain.
When change in DNA occurs i.e. mutation,then sequence of nucleotide is changed on DNA as a result Gene Expression would also change
Answer: Kidneys are the organs which are present besides the vertebral coloumn behind the peritoneum covered in a mass of fat and loose aerolar tissue along the posterior abdominal wall.
Explanation:
Kidneys are the bean shaped organs which are responsible for excretion and maintaining the pH and elctrolyte balance of the body. They are the part of urinary system.
There are two kidneys in the body.
They lie along the posterioir abdominal wall on the either side of the vertebral column behind spleen and peritoneum. This is because they are called retroperitoneal organs. Left kidney is slighlty higher than the right kidney because liver is present on the right side which pusehes the right kidney a little lower. They typically extend from T12 to L3. Kidneys are covered by a capsule, fibrous mass of tissue and fat and aerolar tissue.
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