The heart pumps only deoxygenated blood
  • Shark
  • frog
  • Whale
  • crocodile
A sudden increase in the number of while blood cells in the blood is a sign of
  • Deficiency disease
  • better health
  • Bacterial disease, infection
  • mental tension
Clotting of blood is achieved with the help of the following
  • Vitamin K, fibrinogen and calcium is ions
  • prothrombin, fibrinogen, prothrombin and thromboplastin
  • Vitamin K, fibrinogen, prothrombin and calcium ions
  • Vitamin B, fibrinogen, thrombin and potassium ions
The Ph Value of blood varies between
  • 6.00-7.00
  • 7.00-8.00
  • 7.30-7.45
  • 7.50-8.00
0 h : 0 m : 1 s

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