Answer:
The major blood vessels connected to your heart are the aorta, the superior vena cava, the inferior vena cava, the pulmonary artery (which takes oxygen-poor blood from the heart to the lungs where it is oxygenated), the pulmonary veins (which bring oxygen-rich blood from the lungs to the heart), and the coronary.
Answer:
The small intestine is very long so nutrients will have more time to be absorbed into the body as they pass through it.
"sex" refers to the biological differences between males and females, such as the genitalia and genetic differences. and I believe and than Gender is but it can refer to the role of a male or female in society, known as a gender role, or an individual's concept of themselves, or gender identity.