1. Ventricular contraction
2. Ventricular relaxation
3. Auricular contraction
4. Depolarisaiton
Ventricular contraction
1. Mammals
2. Frog
3. Reptiles
4. Amphibians
Mammals
1. Smooth muscles
2. Cardiac muscles
3. Nerve tissue
4. Nerve bundles
Cardiac muscles
1. Regulation of heart beat
2. Conduction of heart beat
3. To stop heart beat
4. Pace maker is absent
Regulation of heart beat
1. Splanchnic layer of mesoderm facing the anterior intestinal part
2. Ectoderm lying over the fore brain
3. Inner lining of neural tube
4. Primitive streak
Splanchnic layer of mesoderm facing the anterior intestinal part
1. Vagus only
2. Sympathetic nervous system
3. Both vagus and sympathetic nervous system
4. Hormones only
Both vagus and sympathetic nervous system
1. 200 ml/100 ml of blood
2. 1200 ml/100 ml blood
3. 20 ml/100 ml of blood
4. 500 ml/100 ml of blood
20 ml/100 ml of blood
1. Increase in leucocyte count
2. Increase in red blood corpuscles count
3. Decrease in red blood cells count
4. Increase in blood platelets
Increase in red blood corpuscles count
1. Squamata
2. Lacertalia
3. Crocodilian
4. Ophidian
Crocodilian
1. Tuberculosis
2. Typhoid fever
3. Allergies
4. Blood cancer
Typhoid fever