Question

A. Tick () the correct option.
CISES
D
1.
are the thinnest blood vessels.
i. Veins
ii. Arteries
2. What help in clotting of blood?
iii. Capillaries
i. Platelets
ii. RBCS
iii. WBCS
3.
pumps blood to all parts of the body.
i. Lungs
ii. Heart
iii. Lever
4.
keep our heart strong and healthy.
i. Less sleep
ii. Junk food
ill. Yoga and exercise
carry oxygen from lungs to different parts of the body.
i. Red blood cells ii. White blood cells iii. Platelets
B. Fill in the blanks.
1. Size of the heart is about the size of our
2.
have thick elastic walls.
3. All the veins carry impure blood except the
5.
food.
4.
connect the arteries to the veins.
5. We should avoid
and
C. Write 'T' for True and 'F' for False.
1. The circulatory system comprises of heart and blood.
2. A group of organs that perform a particular function
is called organ system
3. The heart is a muscular organ that pumps blood
to all parts of body.
4. Upper chambers of the heart are called ventricles.​

Answer 1

Explanation:

सॉरी फ्रेंड मुझे नहीं पता सॉरी यार मुझे नहीं पता

Answer 2

Answer:

Arteries

Platelets

Heart

Yoga nd ex.