There’s no vascular in the epidermis.

维管植物(vascular plant)

Which one is not a complex tissue? A: Xylem B: Phloem C: Vascular tissue D: Vessel

Thrombocytopenia can cause bleeding spots on the skin, mainly due to<br/>platelets &#91;&#93; A: Not easily aggregated into a mass B: Insufficient amount of vasoactive substances released C: Unable to repair and maintain the integrity of vascular endothelial<br/>cells D: Vascular retraction disorder E: Excessive quantity

The drug that has more selective for vascular spasmolysis is ( ). A: homatropine B: scopolamine C: ephedrine D: anisodamine E: physostigmine

Which is the center link of inflammatory responses? A: Vascular responses B: Leukocytes responses C: Anti-injury responses D: Repair responses

In many organisms other than vertebrates, and in all vascular plants, another reaction sequence, the _____________, serves as a mechanism for converting acetate to carbohydrate.

In the secondary structure of roots, xylem rays and phloem rays belong to ( ). A: Secondary rays B: Vascular rays C: Pith rays

What situation does inflammatio occur （ ） A: Anly living organism B: Lliving organism with a vascular system C: Dead organism D: Single-celled organism

The correct descriptions about platelets include A: Maintaining the integrity of vascular endothelium B: Participating in hemostasis C: Participating in coagulation D: Adsorption of coagulation factors in plasma