Q1. Complete the given statements. a. b. c. d. _____________________ carries from rest of the body to the heart. _____________________ carries blood to and from individual cells of the body. ______________________ carries blood from the heart to the rest of the body. __________________ blood vessels are thin, permeable, narrow and reaches every cell of the body. e. ___________________ blood vessels have high blood pressure; they are narrow and thick. f. ___________________ blood vessels are thin, wider and have low blood pressure. g. ____________________ component of blood carries carbon dioxide, nutrients and waste material. Q2. Complete the six stages of circulatory system. a. b. c. d. Hear pumps deoxygenated blood to ______________ . In lungs the blood picks up _______ from the air we _____________. Oxygenated blood returns back to the __________. Heart _____________ and send oxygenated blood through ___________ to _________________. e. Oxygenated blood reaches every cell of the body through _____________. f. Deoxygenated blood flows through ____________ back to the heart and process keeps on_________________ Q3. How circulatory system and respiratory systems are linked with each other.? ___________________________________________________________________________________ ___________________________________________________________________________________ _____________ Q4. Why the walls of capillaries are permeable?_________________________________________________________________________ ___________________________________________________________________________________ _____________________ Q5. Why our heart rate is different when we exercise than at rest?_______________________________________________________________________________ ___________________________________________________________________________________ ________________ Q6. Write function of the blood components. a. Red blood cell:______________________________________________________________________ b. White blood cells:___________________________________________________________________ c. Plasma:_______________________________________________________________________ _____ d. Platelates:_____________________________________________________________________ _____