The blood group system is based on the presence or absence of antigens A and B 

The leukocytes with clear cytoplasm 

Proteins present in blood plasma, maintain the water balance of blood 

The pain that tells that the blood supply to the cardiac sufficient but the shortage is not enough to cause tissue death 

The antibody present in the blood groups where A antigens are absent i.e. blood groups B and O 

The antibody present in the blood groups where B antigens are absent i.e. blood groups A and O

A molecule that can stimulate an immune response in the body 

The antigen present on the surface of RBCs in people with blood group and AB 

The antigen present on the surface of RBCs in people with blood group B and AB 

The antibody is produced in people with Rh-negative blood group when they encounter Rh antigens of Rh-positive blood 

The main artery that carries oxygenated blood from the left ventricle 

An arch formed when the aorta curves left 

The smaller vessels formed by the division of arteries in organs 

The hardening of the arteries 

The blood vessels that carry blood from the heart to body parts 

The narrowing of arteries due to the accumulation of fatty material, cholesterol, or fibrin 

The period of the cardiac cycle in which the atria contract 

Right and Left Atria: The upper thin-walled chambers of the heart 

The lymphocytes that synthesize antibodies after recognizing the antigens 

The type of granulocytes; responsible for inflammation 

The valve present at the opening between the left atrium and left ventricle 

The classification systems of the blood types based on the presence or absence of specific antigens on RBCs 

The blood vessels formed by the division of smaller arteries: Unite to form smaller veins

The period consists of alternating relaxations and contractions of the heart chambers 

The transport system in animals consists of the heart, blood, and blood vessels 

The theory states that the force which carries water (along with dissolved salts) upward through the xylem is the transpirational pull 

The artery that supplies blood to the heart muscles 

The relaxation of heart chambers 

The aorta after the aortic arch 

The dislodged and free-floating thrombus 

Type of granulocytes; with the bilobed nucleus 

Red blood cell 

The insoluble thread-like protein formed from the conversion of fibrinogen

The blood-clotting protein present in blood plasma 

Type of leukocytes with granular cytoplasm 

The bean-shaped cell: Two guard cells are present around a stoma 

The red pigment present in RBC, is responsible for the transport of oxygen and small amounts of carbon dioxide 

The number of times the heart beats per minute 

Small openings present in some stems 

White blood cells 

The production of a great number of immature and abnormal leukocytes 

The pathway in plants through which water travels along cell walls and through intercellular spaces to reach the core of the root 

Thalassemia

Bone marrow cell. 

A type of agranulocytes; becomes macrophage after entering an inflamed tissue 

The death of heart tissue 

Type of granulocytes; destroys small particles by phagocytosis 

Sac of membranes enclosing the heart 

The complex tissue in plants, responsible for the transport of food 

The liquid portion of the blood 

The cell-like bodies in the blood, responsible for blood clotting 

The protein in blood plasma; acts as a catalyst in blood clotting 

The pathway on which deoxygenated blood is carried from heart to the lungs and in return oxygenated blood is carried from the lungs to heart

The rhythmic expansion and contraction of an artery as blood is forced through it by the regular contractions of the heart 

The antigen present on the RBCs in people with Rh-positive blood group 

The blood group system based on the presence or absence of Rh-Factors

The cytoplasmic extension of root epidermis cells 

The valve present at the base of the pulmonary trunk and the base of the aorta 

The small opening present in the epidermis of leaves 

The pathway in plants through which water moves across the root hair membrane and through the cells themselves, via plasmodesmata 

The pathway on which oxygenated blood is carried from the heart to the body tissues and in return deoxygenated blood is carried from the body tissues to the heart 

The type of lymphocyte that recognizes the antigens and kills them 

The blood disease in which the hemoglobin does not has beta-chain 

Blood platelet 

The blood clots in arteries are formed by plaques of different materials e.g. cholesterol 

The loss of water from plant surface through evaporation 

The pulling force for water and salts: created by transpiration 

The valve present at the opening between the right atrium and right ventricle 

The outermost layer in the walls of arteries and veins: is formed of connective tissues 

The innermost layer in the walls of arteries and veins; is formed of endothelial cells 

The middle layer in the walls of arteries and veins; is formed of smooth muscles and elastic tissue 

Blood group 0; can be transfused to all other blood groups of the ABO system 

Blood group AB: that can get blood from all other blood groups of the ABO system 

The blood vessel that carries blood from body parts to the heart 

The major veins entering the right atrium 

The contraction of heart ventricles 

The smaller veins in organs formed by the joining of capillaries 

The complex tissue in plants; responsible for the transport of water and salts