Advertisements
Advertisements
प्रश्न
What are the various components of blood? State their functions.
उत्तर
Following are the various components of blood:
- Plasma: It helps in the transport of food, carbon dioxide, wastes and salts.
- Erythrocytes (RBCs): They carry the oxygen from the lungs to all parts of the body.
- Leucocytes (WBCs): They fight infections and protect the body from foreign particles, like germs and bacteria.
- Platelets: They help in the coagulation of blood by releasing the chemicals that clot blood at the site of injury or wound.
APPEARS IN
संबंधित प्रश्न
State the Function: Vitamin K
Which is the correct sequence of blood flow?
A patient with blood group O was injured in an accident and has blood loss. Which group of blood should be used by the doctor for transfusion?
Direction: In each of the following questions a statement of assertion (A) is given and a corresponding statement of Reason (R) is given just below it. Mark the correct statement as.
Assertion: Persons with AB blood group are called a universal recipient because they can receive blood from all groups.
Reason: Antibodies are absent in persons with AB blood group.
Blood is a fluid connective tissue.
What prevents the backflow of blood inside the heart during contraction?
Single circulation i.e. blood flows through the heart only once during one cycle of passage through the body, is exhibited by
Veins have valves that allow blood to flow only in one direction. Arteries do not have valves. Yet the blood flows in one direction only. Can you explain why?
Name the organ which is located in the chest cavity with its lower tip slightly tilted towards the left.
Define the following term:
Blood
