IQNest Zone

Which structure connects muscle to bone?
A) Ligament
B) Tendon
C) Cartilage
D) Joint

Which system controls reflex actions?
A) Digestive system
B) Endocrine system
C) Nervous system
D) Circulatory system

Which layer of skin contains sweat glands?
A) Epidermis
B) Dermis
C) Hypodermis
D) Cuticle

Which part of the respiratory system branches into bronchi?
A) Larynx
B) Trachea
C) Alveoli
D) Pharynx

Which hormone increases heart rate during stress?
A) Insulin
B) Adrenaline
C) Thyroxine
D) Melatonin

Which part of the eye helps in night vision?
A) Cones
B) Rods
C) Iris
D) Cornea

Which bone is part of the forearm?
A) Femur
B) Tibia
C) Radius
D) Patella

Which part of the cell controls all activities?
A) Mitochondria
B) Ribosome
C) Nucleus
D) Cytoplasm

Which blood vessel carries oxygenated blood from lungs to heart?
A) Aorta
B) Pulmonary artery
C) Pulmonary vein
D) Vena cava

Which organ protects the body and regulates temperature?
A) Liver
B) Skin
C) Kidney
D) Lungs

Which part of the ear helps maintain balance?
A) Cochlea
B) Pinna
C) Semicircular canals
D) Eardrum

Which organ helps filter harmful substances from blood?
A) Kidney
B) Liver
C) Heart
D) Stomach