Sea stars possess strands of tissue that encircle the mouth and run into the arms; these strands of tissue make up the ( ) system.
A: hemal
B: secretory
C: skeletal
D: muscular
E: excretory
A: hemal
B: secretory
C: skeletal
D: muscular
E: excretory
举一反三
- What are the infrastructure systems? A: skeletal systems B: muscular systems C: cardiovascular system D: nervous system E: lymphatic system
- The connective tissue that is continous with the tendon in a skeletal muscle is called: A: endomysium. B: epimysium. C: perimysium. D: sarcoplasm.
- Which type of tissue binds structures together, provide support and protection? A: epithelial tissue B: muscle tissue C: nervous tissue D: connective tissue
- The basic structure of the nervous system is ( ). A: Nervous tissue B: Reflex arc C: Receptor D: Central nervous system
- What two descriptions best define DWDM？ （） A: a WDM system that is compatible with EDFA technology B: an optical technology for transmitting up to 16 channels over multiple fiber strands C: an optical technology for transmitting up to 32 channels over multiple fiber strands D: a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDM E: a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM