Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.
Answer:
D.
Many married teens remain together for a large number of years.
Explanation:
I feel once they get the chance to choose what they want as an adult they would take that. Since they are growing and maturing they probably would not see each other the same. Hope this is right and helps have a wonderful day! <33 :))
Hemoglobin is a protein in red blood cells that carries oxygen through out the body. Are you asking if low hemoglobin could cause swollen legs?
Answer:
whole grain wheat
Explanation:
Whole grain wheat contributes the most weight to the product. This is because this is the ingredient that is used in greater quantities, in addition to being the most dense.
Wheat is one of the most consumed cereals in the world, along with corn and rice, a situation that makes this food a basic ingredient on the table of several families from different countries. In addition, it is an extremely important food for our health in nutritional terms. In addition to being an important source of energy for the body, being a carbohydrate, wheat is a food rich in vitamins and minerals essential for human life, such as the B vitamins, potassium, phosphorus and magnesium.
Answer:
Scientists are studying cause(s) and risk factors in an effort to find better ways to manage and reduce the chances of a person having ADHD. The cause(s) and risk factors for ADHD are unknown, but current research shows that genetics plays an important role. Recent studies of twins link genes with ADHD.1
In addition to genetics, scientists are studying other possible causes and risk factors including:
Brain injury
Exposure to environmental (e.g., lead) during pregnancy or at a young age
Alcohol and tobacco use during pregnancy
Premature delivery
Low birth weight
Research does not support the popularly held views that ADHD is caused by eating too much sugar, watching too much television, parenting, or social and environmental factors such as poverty or family chaos. Of course, many things, including these, might make symptoms worse, especially in certain people. But the evidence is not strong enough to conclude that they are the main causes of ADHD.
Explanation: