Question

20.
Fill in the blanks of the following paragraph using just two
words - arteries and veins.
carry oxygen-rich blood from the heart to all parts of
the body and (b) carry carbon dioxide-rich blood from
all parts of the body back to the heart. (c) have thin
walls and (d) have thick elastic walls. Blood flows at high
pressure in
(e) Valves are present in
which
allow blood to flow only towards the heart,
divide into
smaller vessels. These vessels further divide into extremely
thin tubes called capillaries. The capillaries join up to form
(h)​

Answer 1

Answer:

(c) ans is cell

dioxid blood carry cell

Answer 2

Explanation:

(c) ans is cell

dioxide blood carry cell