Oxygen goes from...

Nutrients go from...

Carbon dioxide goes from...

Ammonia goes from...

Urea goes from...

Hormones go from...

Why do large animals need a circulation?

When is circulation unnecessary?

What are the three main parts of the circulatory system? What what do each of these parts do?

What is the composition of blood?

A typical adult has about how many liters of blood?

What is plasma?

What are the scientific names for the three types of blood cells?

Where are the blood cells made?

What is the structure and function of erythrocytes?

What is the structure and function of leucocytes?

What is the structure and function of thrombocytes?

What does oxygen bind to in erythrocytes?

Hb + 4O2 --> ?

Lack of iron is called?

What are the structural adaptions of erythrocytes?

What is the process of single circulations (blood passes through heart once)?

What are the disadvantages of single circulations?

What are the advantages of double circulations (blood passes through heart twice)?

Define arteries?

Define veins?

What is the function of capillaries?

Explain the cardiac cycle.

Electrical signals are sent out from a small area of the right atrium called the...

An irregular heartbeat is called...

What is an electrocardiogram?

During exercise, the 1.__ nerve becomes more active, and the 2.__ nerve becomes less active. 3. __ adrenaline is released.

Define blood pressure.

How does someone measure blood pressure?

What is the average BP?

A doctor can listen to a patients heart using a ...

What is the "lub-dub" sound?

What is the structure of arteries?

What is the structure of veins?

How does the body prevent blood from traveling away from the heart?

What are lymph vessels?

What are the functions of the lymphatic system?

Materials enter/leave cells by...

Tissue fluid is similar to...

What are the symptoms of a heart attack?