The roots of plants are important to photosynthesis because 1. remove oxygen from the plant. 2. provide the water needed. 3. remove glucose from the plant. 4. provide the carbon dioxide needed.

Awic dietitian is meeting with a client who has an infant and a young child. the mother says that the young child is a very picky eater and will only eat crackers and juice. the health worker notices that the child's hair is brittle, his nails tear easily, and the skin inside his lower eyelids is very pale. these are all signs of iron deficiency.

Blood made up of red and white blood cells work together to form

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?