BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM

BIOLOGY PROCTORED EXAM PENN FOSTER 2024 ACTUAL EXAM/PENN FOSTER BIOLOGY PROCTORED EXAM LATEST 200 QUESTIONS AND CORRECT ANSWERS(VERIFIED ANSWERS)|AGRADE What are characteristics of blood? - ANSWER-- transports oxygen and nutrients to all the cells in the body - carries away metabolic wastes and secretes them - transports cells that fight infections and remove debris from tissues - stabilizes body temperature by moving excess heat from the muscles to the skin for dissipation - composed of red blood cells, white blood cells and platelets called formed elements and plasma What are red blood cells? - ANSWER-Transports oxygen from aerobic respiration and carry away some of the carbon dioxide wastes What are white blood cells? - ANSWER-Help fight infections What are lymphocytes? - ANSWER-Type of WBC that attack foreign matter and fx as the source of viral defense What is nutrition? - ANSWER-Process by which food is obtained, prepared, absorbed and converted into body substances such as carbohydrates, lipids, proteins and nucleic acid