Answer:
I think it is 1: Infants but I am not sure tell me if i'm wrong pls
Answer:
Facial expressions and Body language
(the answer is b)it coulve been a but it say "only" and stress has a lot of effects on the body and c and d are answers to trick you but you have to pay attention to what it actually states
The correct answer would be considered to be answer choice d.
Answer: General defence system: acts against all pathogens.
2. Specific defence system: attacks particular pathogens.
1. Examples of the general defence system.
Skin: provides a barrier to infection.
Clotting: when skin is broken it prevents entry of pathogens.
Sebaceous glands: found in the skin and produce chemicals that kill bacteria.
Sistem pertahanan umum: bertindak melawan semua patogen.
2. Sistem pertahanan khusus: menyerang patogen tertentu.
1. Contoh sistem pertahanan umum.
Kulit: memberikan penghalang untuk infeksi.
Pembekuan: ketika kulit rusak itu mencegah masuknya patogen.
Kelenjar sebaceous: ditemukan di kulit dan menghasilkan bahan kimia yang membunuh bakteri.
