1. WHY IS IT NECESSARY TO EXCRETE WASTE PRODUCTS?
2. DIFFERENTIATE BETWEEN PULMONARY ARTERY AND PULMONARY VEIN?
Answers
Answer:
Explanation:
1 Answer: The waste materials produced during the metabolic activities are toxic to the body and must not be accumulated inside, and therefore it has to be excreted out from the body by the process of excretion
2 The pulmonary arteries carry low-oxygen blood from the right ventricle of the heart to the lungs. Systemic arteries transport oxygenated blood from the left ventricle of the heart to the rest of the body. Veins. The pulmonary veins carry oxygenated blood from the lungs to the left atrium of the heart.
Answer:
1. It is necessary to excrete waste products because it harms our body. It contains undigested particles in human body. If waste products are not excreted it becomes a slow poision in human body.
2. The pulmonary arteries carry low-oxygen blood from the right ventricle of the heart to the lungs. Systemic arteries transport oxygenated blood from the left ventricle of the heart to the rest of the body. Veins. The pulmonary veins carry oxygenated blood from the lungs to the left atrium of the heart
Explanation:
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