From digestion to transport

The transport system

Link to presentation used in class (supplemented by additional slides…)

• Stephen Taylor transport presentation

Syllabus details relating to BLOOD

• 6.2.6 State that blood is composed of plasma, erythrocytes, leucocytes (phagocytes and lymphocytes) and platelets

• 6.2.7 State that the following are transported by the blood: nutrients, oxygen, carbon dioxide, hormones, antibodies, urea and heat

Contents of blood

Cells and fragments found in blood

All cellular components originate from haemopoetic stem cells in the bone marrow

The ‘cells’and fragments of blood

Lymphocytes

Phagocytes – macrophage…

Phagocytes: neutrophils

The heart and how it works

Mammalian 4-chambered hearts develop from 3-chambered hearts

The cardiovascular system is a double circulation

The cardiovascular system is a double circulation

The CVS is a double circulation (3)

Systemic circulation

The systemic circulation

The pulmonary circulation

The pulmonary circulation

Draw a heart, labelling the 4 chambers, associated blood

vessels, valves and route of blood through the heart

Let’s draw a heart!

• Drawing a heart...

Control of the cardiac cycle

• control of the cardiac cycle• conducrtion system of the heart

Explain the basic cardiac cycle…

• Animation 1• slightly more detailed cardiac cycle