Question 1: the cell must grow in size so there is enough material for each new cell
Question 2: interphase
Question 3: false
Pathogen
antigen
antibodies
foreign
histocompatability
presenting
leukocyte
Sweat, tears, skin, and mucous membranes are among the physical defenses that keep a person from being sick.
<h3>What causes infectious diseases?</h3>
Coming into contact with a person or an animal who has the virus is one of the most straightforward ways to obtain the most contagious or infectious diseases. Direct contact, such as person-to-person contact, can transfer contagious diseases. Direct transmission of bacteria, viruses, or other germs from one person to another is the primary method by which contagious diseases are typically disseminated. If someone who is unaffected touches, kisses, coughs, sneezes, or has the virus or bacterium on them, this could happen. Additionally, these pathogens can disperse through sexual contact and the exchange of bodily fluids. The person who spreads the infection may only be a carrier and not exhibit any signs of the illness.
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Answer:
(a)45:55
Explanation:
Normally the whole blood is consist of about 45% of blood cells in which there are white blood cells and red blood cells and about 55% plasma. The form of plasma is liquid in which the white blood cells , Red blood cells and platelets are present in suspension form plasma is mainly consist of water and salts but major part of plasma is water