2. Give at least one function of each of the following.
(a) Circulatory system
(b) Heart
(c) Blood
(e) WBCS
(f) Platelets (g) Stomata
(i) Nephron
6) Ureter
(k) Urinary bladder
(m) Dialysis
(n) Xylem
(0) Phloem
3. Why is hlood nood
(d) RBCs
(h) Kidney
(1) Sweating
(p) Transpiration
please answer it
Answers
Answer:
a) circulatory system : The main function of circulatory system is to provide oxygen, nutrients, and hormones to muscles, tissue and organs throughout the body
b) Heart : It helps in maintaining the circulation and purification of blood
c) Blood : It transports oxygen to lungs and all other fluids which body needs
e) WBC's : white blood cells are part of body immune system they helps fight infections and diseases
f) platelets: helps body from clots to stop bleeding of blood
g) stomata: It controls gas exchange in the plant leaves
i) nephrons : nephrons are the functional unit of kidney that actually produces urine in the process of removing waste from blood
6) Ureter: it carries urine from kidney to urinary bladder
k) urinary bladder: stores urine
m) dialysis: when kidney fails to removes waste from body it is used as a artificial machine to remove waste substance from body
n) xylem : transport water and nutrients from the plant - soil interface to stem and leaves
O) phloem : transport food such as glucose from leaves to other parts of plant
function of red blood cells