Question

what are the materials required to observe the internal structure mammalian heart and describe the procedure ​

Answer 1

Explanation:

Describe the structure of the heart and explain how cardiac muscle is different from other muscles

Describe the cardiac cycle

Explain the structure of arteries, veins, and capillaries, and how blood flows through the

Answer 2

Answer:

Materials required to observe the internal structure of the mammalian heart are soda straws, sharp and long scalpel, a jug of water, a tray, forceps, dissection scissors.

Explanation:

Procedure:

1. Collect the fresh heart of a sheep.
2. Wash it gently and thoroughly so that blood stains are removed completely from the chambers of the heart.
3. Take soda straws and insert them into the blood vessels.
4. Now, observe the arrangement of blood vessels on the wall of the heart.
5. Keep the heart on the tray in such a way that a large arch-like tube should be facing upwards, it is ventral side.
6. Now with the help of the sharp scalpel and cut open the heart in such a way so that the chambers are exposed clearly.
7. Now observe the thickness of the wall of the heart, the difference between the chambers, the number of chambers, the connections between them.

Hence, the internal structure of the heart can be observed very carefully.