Yes,oxygen-rich blood is carried through pulmonary arteries from the lungs to the heart.
Answer:
• covers the body and makes up inner lining
• protects against damage, dust, bacteria
Explanation:
Answer:
The given statement is true.
Explanation:
A condition in which uncharacteristically large, unusual and immature RBCs known as megaloblasts gets generated by the bone marrow is known as megaloblastic anemia. The condition can arise due to many causes of which deficiencies of folate or vitamin B12 (cobalamin) are the most general ones. The mentioned vitamins perform an essential function in the generation of RBCs.
The signs and symptoms of megaloblastic anemia are lightheadedness, shortness of breath, pale skin, unusual heartbeat, and dizziness. Some of the other signs of the condition are weakness in muscles, pains and aches, and dyspnea.
Answer: false
Explanation:
invertebrates and vertebrates are two classes of animal.