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• Arteries carry oxygenated blood away from the heart to body tissues.
• The third step is to select an appropriate communication channel or medium.
• Veins return deoxygenated blood back to the heart.
• The three types of blood vessels are arteries, veins, and capillaries.
• Para sa mga teksto na impormatibo, ang mga manunulat ay tumutukoy sa mga bagay na may katangian ng totoo. Para sa mga teksto na impormatibo, ang mga manunulat ay tumutukoy sa mga bagay na may katangian ng totoo.
• Capillaries are tiny vessels that connect arterioles with venules, allowing for exchange between cells and blood.
• The circulatory system is responsible for transporting nutrients, hormones, gases, waste products, and immune cells throughout the body.