![H Band T1 reloj deportivo inteligente IP67 presión arterial impermeable GPS rastreador de actividad física ritmo cardíaco Smartwatch para hombre y mujer|Relojes inteligentes| - AliExpress H Band T1 reloj deportivo inteligente IP67 presión arterial impermeable GPS rastreador de actividad física ritmo cardíaco Smartwatch para hombre y mujer|Relojes inteligentes| - AliExpress](https://ae01.alicdn.com/kf/HLB1FM43aIfrK1RkSmLyq6xGApXab/H-Band-T1-reloj-deportivo-inteligente-IP67-presi-n-arterial-impermeable-GPS-rastreador-de-actividad-f.jpg)
H Band T1 reloj deportivo inteligente IP67 presión arterial impermeable GPS rastreador de actividad física ritmo cardíaco Smartwatch para hombre y mujer|Relojes inteligentes| - AliExpress
![What happens to the I bar and H zone during contraction? Do the lengths of the thick and thin filaments change? What happens to the I bar and H zone during contraction? Do the lengths of the thick and thin filaments change?](https://www.vedantu.com/question-sets/b7a94233-60ef-4025-a0a7-a58242b248ba8586952690435631858.png)
What happens to the I bar and H zone during contraction? Do the lengths of the thick and thin filaments change?
![Which one of the following is marked correct?A) a: Z-line located at the centre of I-band.B) b: Thin filament, occurs in A-band only.C) c: Thick filament, confined to I-band.D) d: H-zone, located Which one of the following is marked correct?A) a: Z-line located at the centre of I-band.B) b: Thin filament, occurs in A-band only.C) c: Thick filament, confined to I-band.D) d: H-zone, located](https://www.vedantu.com/question-sets/3af39ee6-3e68-4750-a36b-96f08ad232da752500809004250022.png)