Define Artery.
Blood vessels that carries oxygenated blood to different parts of body.
What are Blood vessels ?
The tubes that enclose and transport blood from one organ to other organ.
Define Blood.
The red coloured fluid that flows in vessels and is responsible for the transportation of different useful and harmful substances.
What is Circulatory system ?
The system that includes heart, blood vessels and blood for transportation of O2 , CO2 , food, hormones and enzymes, etc. from one part of the body to another part of the body.
Secretions of glands responsible for growth of pimple and acne.
Sebaceous gland
What are the ways to tackle the stress ?
Yoga Meditation Time management Sports Hobbies Rational thinking
What are the causes of stress ?
The causes of stress are:- Your health especially if you have a chronic illness such as heart disease, diabetes, etc. Emotional problems such as anger that you cannot express, depression, guilt, low-self-esteem .
What is stress ?
Stress is general term applied to various psycologic and physiologic pressures experienced or felt by persons throughout their life.
What are the changes at puberty in boys ?
Appearance of beard and moustaches. Deepening of the voice . Broadening of shoulders. Enlargement in the size of penis.