Rat Circulatory System Functions

The video tutorial explores the thoracic cavity of a rat, focusing on the heart and lungs. It details the dissection process, highlighting the major veins and arteries, including the aorta, vnea, and femoral artery. The tutorial provides a comprehensive overview of the rat's circulatory system, emphasizing the connections between the heart, lungs, and other organs. It concludes with a recap of the key components and their functions.

What is the primary function of the thoracic cavity in the rat?

• To aid in digestion

• To protect the brain

• To store food

• To house the heart and lungs

What is the purpose of the pericardial sac surrounding the heart?

• To pump blood

• To store oxygen

• To protect the heart

• To filter blood

Which large artery is located at the top of the heart?

• Renal artery

• Aorta

• Jugular vein

• Femoral artery

What is the role of the vena cava in the rat's body?

• To return deoxygenated blood to the heart

• To transport blood from the heart to the body

• To filter blood in the kidneys

• To carry oxygen to the brain

Where does the vena cava split to form the femoral artery?

• At the legs

• At the diaphragm

• At the kidneys

• At the liver

What is the function of the external jugular veins?

• To supply blood to the arms

• To return blood from the brain to the heart

• To carry oxygenated blood to the heart

• To filter blood in the liver

Which arteries extend to the arms and hands?

• Jugular veins

• Axillary arteries

• Renal arteries

• Femoral arteries

What is the primary artery that extends from the heart through the diaphragm?

• Femoral artery

• Renal artery

• Jugular vein

• Aorta

Which artery supplies blood to the kidneys?

• Femoral artery

• Renal artery

• Jugular vein

• Axillary artery

What is the main function of the femoral artery and vein?

• To supply blood to the brain

• To carry oxygen to the lungs

• To transport blood to and from the legs

• To filter blood in the liver