The pathway of single circulation is

(1) Heart – body – gills – Heart

(2) Heart – gills – body – Heart

(3) Heart – body –gills – body – heart

(4) body – heart – gills – Heart

In single circulation, the heart pumps

(1) oxygenated blood

(2) deoxygenated blood

(3) mixed blood

(4) blood–nutrients

What does systemic circulation provide to tissue?

(1) nutrient

(2) oxygen

(3) other essential substances

(4) all of these

Which of the following order is correct?

(1) Veins – capillaries – arteries

(2) Arteries – arterioles – capillaries – venules – veins

(3) Arterioles – Arteries – capillaries – venules – veins

(4) Arteries – arterioles – venules – capillaries – veins

The hepatic portal ________ carries blood from ________ to liver before it is delivered to the ________.

(1) vein, Pancreas, Pulmonary

(2) artery, intestine, systemic

(3) vein, intestine, systemic

(4) artery, Pancreas, Pulmonary

Which vessels bring blood to right atrium?

(1) Vena Cava and coronary sinus

(2) Pulmonary veins

(3) Pulmonary artery

(4) Aorta and pulmonary artery

Human Heart has SA node which makes it–

(1) myogenic heart

(2) neurogenic heart

(3) Digenic Heart

(4) Rhinogenic Heart

The neurocenter for the activity of the Heart is located in

1. Pons

2. midbrain

3. medulla oblangata

4. cerebrum

Medulla Oblangata regulates the Cardiac activity via

(1) CNS

(2) ANS

(3) PNS

(4) CNS and PNS

The sympathetic nerves give _______ neural signals to heart and increases the _______.

(1) stimulatory, ventricular contraction

(2) inhibitory, stroke volume

(3) stimulatory, ventricular relaxation

(4) inhibitory, ventricular relaxation