Question

In laboratory observation and dissection of a mammalian heart a) mention the external features you observed b) what structures do you observe that are protecting the heart c) what differences did you observe between the upper and lower chambers d) name the large blood vessel coming out of the heart​

Answer 1

Answer:

heart is a hollow muscular pumping organ

Explanation:

locatin:it is situated slightly towards the left side in the middle of thoracic cavity between lungs

made of:it is made of cardiac muscles

colour :brick red colour

size: approximately left hand side fist

shape : heart is a conical or pear shaped structure triangle in out line wider at anterior narrow at posterior

weight:200- 250gm