Advertisements
Advertisements
प्रश्न
At any given time there is more blood in the venous system than that of the arterial system. Which of the following features of the veins allows this?
विकल्प
relative lack of smooth muscles
presence of valves
proximity of the veins to lymphatic’s
hin endothelial lining
Advertisements
उत्तर
relative lack of smooth muscles
संबंधित प्रश्न
Write the differences between open and closed system of circulation
Describe the evolutionary change in the pattern of heart among the vertebrates.
What is the significance of atrio-ventricular node and atrio-ventricular bundle in the functioning of heart?
What are the heart sounds? When and how are these sounds produced?
Select the correct biological term.
Destroyed in the liver and spleen after circulating in the blood for four months.
Select the correct biological term.
The substances which gives red cells their colour.
Which among the followings is correct during each cardiac cycle?
The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is ______.
Read the following statements and choose the correct option
Statement 1: Atria receive blood from all parts of the body which subsequently flows to ventricles.
Statement 2: Action potential generated at sino-atrial node passes from atria to ventricles.
Define the following terms and give their location?
Purkinje fibre
The walls of ventricles are much thicker than atria. Explain.
Write the features that distinguish between the two.
Open and Closed circulatory system
Write the features that distinguish between the two.
Sino-atrial node and Atrio-ventricular node
Answer the following:
What is specific in the heart of crocodiles among reptilians?
Cardiac activities of the heart are regulated by ______.
- Nodal tissue
- A special neural centre in the medulla oblongata
- Adrenal medullary hormones
- Adrenal cortical hormones
Choose the correct answer from the options given below:
