Which part of the blood what contain haemoglobin?

In the circulatory system oxygen is carried by? When your hand is touched the information is passed to your brain.Describe how information goes into your brain? Can you still come on your period while you preganet? When does moderate and severe inflammatory types of acne occur? How do you unswollen a bruise eye? How do you take snuff? Is it true that one twin can absorb the other twin and then have two different DNA types when it is born? Does all wheat have gluten in it? Can a girl be pregnant if boys kisses on her lips and neck? Which beta blockers do not cause hair loss? How many babies die of congenital heart disease each day? What is free bleeders disease? What is normal hemoglobin count in buffaloes? Would it be wise to take Olive Leaf extract for cellulitis? What substances is an elecrton pair donor? Is there an easy treatment for irritable bowel syndrome? What mental illnesses affect homeostasis? Is it normal to have cramping like you would with your period in the first trimester if you're at risk for a miscarriage and you're not spotting and the ultrasound shows a gestational sac? What water level is needed to float a 12500 pound boat when the weight is equally distributed and the boat is flat and has a cross sectional area of 320 square feet? How do you stop an aching tooth?