Question

please answer these questions​

Answer 1

Answer:

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Explanation:

Ans :- B )

RBCs ( Red blood cells ):-

• Red blood cells are called Erythrocytes.
• RBCs have a bi-concave disc shape
• Size varies from 6 – 8 µm in diameter.
• Red blood cells do not have a nucleus on maturity.

WBCs ( White Blood Cells ) :-

• White Blood Cells are called Leucocytes or Leukocytes.
• WBCs have an irregular shape.
• Size varies from 12 – 17 µm in diameter.
• WBCs are characterized by the presence of a large central nucleus.

D ) Some examples of reportable communicable disease include HIV, hepatitis A, B and C, measles, salmonella, measles, and blood-borne illnesses. Most common forms of spread include fecal-oral, food, sexual intercourse, insect bites, contact with contaminated fomites, droplets, or skin contact.

E ) 1:-

Diabetes is one of the four major types of noncommunicable diseases (cardiovascular disease, diabetes, cancer and chronic respiratory diseases). It is a chronic condition that occurs when the body either does not produce enough insulin or cannot effectively use the insulin it does produce.

2 )

Blood tastes saltish due to the presence of dissolved Sodium Chloride.

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