bundle of His

conus arteriosus

sinus venosus

Administering anti – Rh antibodies to the mother just before the delivery of the second child

Administering Rh antigen to the mother just after the delivery of the first child

Administering Rh antigen to the mother just before the delivery of the second child

Administering anti – Rh antibodies to the mother just after the delivery of the first child

Mature RBC

Reticulocytes

Thrombocytes

Macrophages

Rh (+) female carries a Rh(–) foetus for the

Rh (+) female carries a Rh(–) foetus for the

Rh (–) female carries a Rh (+) foetus for the

Rh (–) female carries a Rh (+) foetus for the

P wave represents atrial depolarisation.

QRS wave initiates ventricular contraction.

The end of T wave marks the end of ventricular

Q wave marks the beginning of atrial systole.

The mother is ${\mathrm{Rh}}^{+}$ and the baby is ${\mathrm{Rh}}^{-}$

The mother is ${\mathrm{Rh}}^{+}$ and the baby is ${\mathrm{Rh}}^{+}$

The mother is ${\mathrm{Rh}}^{-}$ and the baby is ${\mathrm{Rh}}^{-}$

The mother is ${\mathrm{Rh}}^{-}$ and the baby is ${\mathrm{Rh}}^{+}$

 SA node has the lowest rate of depolarisation

 SA node is the only component to generate the threshold potential.

Only SA node can convey the action potential to the other

 SA node has the highest rate of depolarisation.

 blood to enter aorta.

 the ventricles to empty completely.

 blood to enter pulmonary arteries.

 the atria to empty completely.

  Depolarisation of auricles

  Depolarisation of ventricles

  Reploarisation of ventricles

  Repolarisation of auricles 

(iv)    (i)   (ii)     (iii) 

(i)     (ii)   (iv)    (iii)

(ii)    (i)    (iii)    (iv) 

(iii)   (iv)   (ii)    (i)  

Sympathetic nerves

Parasympathetic neural signals

Pneumotaxic center

Adrenal medullary hormones

Mother ${\mathrm{Rh}}^{+\mathrm{ve}}$ and fetus ${\mathrm{Rh}}^{-\mathrm{ve}}$

Mother ${\mathrm{Rh}}^{-\mathrm{ve}}$ and fetus ${\mathrm{Rh}}^{+\mathrm{ve}}$

Both mother and fetus ${\mathrm{Rh}}^{-\mathrm{ve}}$

Both mother and fetus ${\mathrm{Rh}}^{+\mathrm{ve}}$

  Neural signals through the sympathetic nerves

  Neural signals through the parasympathetic nerves

  Adrenaline

  ANS 

  Myogenic

  Neurogenic

  Venous

  Both (1) and (2) 

  Peak P and Peak R together   -   Systolic and diastolic blood pressure

  Peak P       -       Initiation of left atrial contraction only

  Complex QRS    -      One complete pulse

  Peak T         -          Initiation of total cardiac contraction 

  Cerebrum 

  Pons

  Medulla oblongata

  Cerebellum 

  Lymphatic capillaries

  Bloodstream (veins)

  Lymph nodes

  Lymphatic duct 

  a, c

  b, d

  c, d

  a, b

  Increases the flow of blood into the ventricles by 70 percent

  Is due to the generation of the action potential in AVN

  Increases the flow of blood into the ventricles by 30 percent

  Coincides with ventricular systole

  Sino atrial node

  Atrioventricular node

  Bundle of His

  Purkinje fibers 

  Lower left corner of the left ventricle

  Upper right corner of the right atrium

  Lower left corner of the right ventricle

  Upper left corner of the left atrium 

  Atrioventricular bundle

  Purkinje system

  Sinoatrial node

  Atrioventricular node 

  SA node

  AV node

  Vagus nerve

  Cardiac nerve 

  Purkinje fibers

  Papillary muscles

  AV-nodes

  SA-node 

  Liver

  Spleen

  Pancreas

  Bone marrow 

  120 days

  150 days

  190 days

  180 days