Will your answer to the preceding question be differentif the air is stopped by the sail without bouncing?Discuss.
• Blood • Role of Blood – Maintains balance (homeostasis) of the body – Transports material to and from cells – Buffers changes in pH – Carries excess heat to the body surface – Plays a role in the defense system – Minimizes blood loss • Blood Components – Plasma – fluid 50-55% of blood – Red Blood Cells (erythrocytes) – White Blood Cells (leukocytes) – Platelets ‘thrombocytes’ (hemostasis; stops bleeding) • Fig. 19.2(TE Art) • Plasma – Carries heat – Electrolytes (ions) – Nutrients (glucose, amino acids, lipids & vitamins) – Waste products (creatine, bilirubin, urea) – Dissolved gases (O and2Co ) 2 – Hormones – Plasma proteins • Albumin- trans