Answer: True
Explanation: Peripheral vascular disease (PVD) is a blood circulation disorder that causes the blood vessels such as arteries (atherosclerosis) and veins outside the heart and brain to narrow, block, or spasm. PVD causes pain and fatigue especially during exercise. Risk factors may include ageing, diabetes and smoking.
C.to provide solutions to problems
Answer:
Nervous impulses sent to muscles generate extra metabolic heat through shivering. Blood vessels that would otherwise transport warm blood from the internal organs to the cold skin, where the blood would lose heat, constrict, constraining most blood, and its heat, to the internal organs.
Explanation:
(D) Lymphatic system
(I think lol)
One of the Lymphatic systems major jobs is to collect extra lymph fluid from body tissues and return it back to the blood.
