Describe the structure of human heart.
Answers
Answer:-
The human heart is a four-chambered muscular organ, shaped and sized roughly like a man's closed fist with two-thirds of the mass to the left of midline. The heart is enclosed in a pericardial sac that is lined with the parietal layers of a serous membrane.
Answer:
Explanation:
1. It is triangular,superior-broad portion is tilted slightly towards the right (dorsal0side, its lower narrow portion is tilted towards the left side. 2. Heart is enclosed envelope of two membranes (pericardium). 3. It is around 300 grams in men and slightly small in case of women . 4. the heart is divisible into four cambers. 5. The upper two chambers are Atria. 6. The lower two chambers are Ventricles