In addition to blood, the circulatory system moves lymph, which is a clear fluid that helps rid the body of unwanted material. The heart, blood, and blood vessels make up the cardiovascular component of the circulatory system.It includes the pulmonary circulation, a loop through the lungs where blood is oxygenated.he pulmonary circulatory system sends oxygen-depleted blood away from the heart through the pulmonary artery to the lungs and returns oxygenated blood to the heart through the pulmonary veins, according to the Mayo Clinic.
You won't believe these 10 facts about people. Euchromatin is a substance composed of DNA and protein molecules that makes up the bulk of material within a mammalian cell nucleus.It is one particular type of chromatin that is distinguished from heterochromatin both by its function and location.ou won't believe these 10 facts about people. Euchromatin is a substance composed of DNA and protein molecules that makes up the bulk of material within a mammalian cell nucleus.
It is made of one hydrogen atom and one chlorine atom. Diatomic molecules are either homonuclear or heteronuclear. Homonuclear diatomic molecules are composed of two atoms of the same element, like in the case of oxygen and nitrogen shown in the illustration here.Heteronuclear diatomic molecules are composed of two atoms of different elements, like in the case of hydrochloric acid and carbon monoxide.iatomic molecules are either homonuclear or heteronuclear. Homonuclear diatomic molecules are composed of two atoms of the same element, like in the case of oxygen and nitrogen shown in the illustration here.