Teaching UPTET 2023 (Paper 1 & 2) Mock Test Environmental Studies Human Body

Which of the following does not act as a protecting barrier for the body surface?

1
Skin
2
Mucus
3
Gastric acid
4
Salivary amylase
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters