Water makes up a large percentage of the bodyís cells. for a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. the movement of water from an area of high water concentration to an area of low water concentration is

a chair, a bed, and a toothbrush

explanation:

i was told this before by a teacher, so yeah

can you make it bigger i can't see it

burning fossil fouls really decrease the carbon in the atmosphere so b

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.