Life processes Worksheets

Life Processes Worksheet-34

Fill in the blanks:

21. The fluid in the space between the tissue cell is called _____fluid.

22. In ____ circulatory system, blood is carried through a system of blood vessels.

23. _______ is a muscular pumping organ covered by tough fibrous membrane.

24. ______ is double layered tough fibrous membrane covering heart.

25. The upper two chambers of heart are called _____.

26. The lower two chambers of heart are called_____.

Life Processes Worksheet-35

True or false:

1. Plasma transports food, CO₂ and nitrogenous wastes.

2. The circulatory system consists of conducting vessels only.

3. Heart is divided into compartments so that the oxygenated and the deoxygenated blood do not mix.

4. Fishes have four chambered heart.

5. The pH of blood is acidic.

6. Fibrinogen is a protein present in tissue fluid.

Life Processes Worksheet-36

Multiple Choice Questions:

1. Which of the following blood vessel contains valves?

(a) Arteries                                    (b) Veins

(c) Capillaries                               (d) All of the above

2. The blood coming from lungs passes into: -

(a) Right auricle                           (b) Right ventricle