58 public questions tagged with this topic.
Inflammation is a defense mechanism that helps eliminate pathogens and initiate tissue repair.
Ref: NCERT Class 12 Biology Chapter 7: Human Health and Disease Common Diseases - Viral - Common Cold and Other Viral Diseases
During pregnancy, maternal blood volume and cardiac output increase significantly to meet the heightened metabolic demands.
Ref: NCERT Class 12 Biology Chapter 2: Human Reproduction Male Reproductive System
The pituitary gland does not secrete thyroxine; thyroxine is secreted by the thyroid gland.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Pineal Gland and Thyroid Gland
The thyroid gland is located in the neck, not in the abdominal cavity.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Pineal Gland and Thyroid Gland
Oxytocin, secreted by the posterior pituitary, stimulates uterine contractions and helps in milk ejection during breastfeeding.
Ref: NCERT Class 11 Biology Chapter 19: Chemical Coordination and Integration Endocrine System and Hypothalamus Pituitary Axis
The brainstem consists of the midbrain, pons, and medulla oblongata, and it regulates vital functions like breathing and heart rate.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Central Nervous System - Brain - Midbrain and Hindbrain
The hypothalamus regulates body temperature, hunger, thirst, and various homeostatic processes.
Ref: NCERT Class 11 Biology Chapter 18: Neural Control and Coordination Central Nervous System - Brain - Midbrain and Hindbrain
Eccentric contractions occur when a muscle lengthens while resisting a force, such as lowering a weight.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Appendicular Skeleton - Pectoral and Pelvic Girdles
Calcitonin lowers blood calcium levels and promotes bone formation by stimulating osteoblast activity.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Appendicular Skeleton - Pectoral and Pelvic Girdles
Isometric contractions generate tension without a change in muscle length, such as holding a weight steady.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Appendicular Skeleton - Pectoral and Pelvic Girdles
ATP is required for cross-bridge formation and subsequent muscle contraction.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Muscle Contraction - Sliding Filament Theory and Regulation
Myosin heads form cross-bridges with actin filaments during muscle contraction.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Muscle Contraction - Sliding Filament Theory and Regulation
