Front

How many chambers does a frog's heart have?

Back

A frog's heart has 3 chambers: two atria and one ventricle.

Front

Which organism has an open blood circulatory system?

Back

The prawn has an open blood circulatory system.

Front

What is located between the left ventricle and left atrium?

Back

The bicuspid valve (also known as the mitral valve) is located between the left ventricle and left atrium.

Front

What do thromboplastins convert prothrombin to in the presence of calcium ions and vitamin K?

Back

Thromboplastins convert prothrombin to thrombin in the presence of calcium ions and vitamin K.

Front

What is the antigen on blood group O?

Back

Blood group O has no antigens (neither Antigen A nor Antigen B).

Front

What is the function of the heart in the circulatory system?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients while removing waste products.

Front

What are the main components of blood?

Back

The main components of blood are red blood cells, white blood cells, platelets, and plasma.

Front

What is the role of red blood cells?

Back

Red blood cells transport oxygen from the lungs to the body's tissues and carry carbon dioxide back to the lungs.

Front

What is the function of white blood cells?

Back

White blood cells are part of the immune system and help the body fight infections.

Front

What is the role of platelets in the blood?

Back

Platelets are involved in blood clotting and help prevent bleeding.