i dont know if i should keep going. whats the point of living if your so mentally screwed that you take like 20 meds?

During exercise, the oxygen concentration in the blood increases to twice that of resting levels. t or f

Match the deficiencies with their proper definitions: 1. deficiency disease 2. niacin (b3) deficiency 3.vitamin a deficiency 4.vitamin b1 deficiency 5.vitamin d deficiency 6.vitamin c deficiency a. abnormal conditions due to the absence of specific substances usually found in a normal diet b. susceptible to infection, partial or complete blindness, unhealthy skin c. fatigue, depression, irritability, low blood pressure, loss of appetite d. inflammation of the mouth, sores around the mouth, red and thickened skin, diarrhea, vomiting, etc e. weakness, bleeding into tissues, excessive bruising, softening of bones f. bones not normally hardened and become bent or twisted (answer format ex. 1 - a, 2 - b, 3 - c, etc.) will award brainliest

Autolysis is a process in which damaged or dying cells digest themselves via reactions catalyzed by their own digestive enzymes duo to rupture of a specific organelles. which organelle do you think is involved in autolysis? explain