Q: What is the first digestive organ that food enters? Read this paragraph and choose the correct option from the provided answers: The mouth is the first digestive organ that food enters. The sight, smell, or taste of food stimulates the release of saliva and digestive enzymes by salivary glands inside the mouth. Saliva wets the food, which makes it easier to break up and swallow. The enzyme amylase in saliva begins the chemical digestion of starches to sugars. Choices: - stomach - tongue - esophagus - mouth A:
mouth

(Question)
Q: What is the only way to completely avoid stis? Read this paragraph and choose the correct option from the provided answers: The only completely effective way to prevent infection with STIs is to avoid sexual contact and other risky behaviors. Using condoms can lower the risk of becoming infected with STIs during some types of sexual activity. However, condoms are not foolproof. Pathogens may be present on areas of the body not covered by condoms. Condoms can also break or be used incorrectly. Choices: - cover your mouth - oral sex - contraceptive use - avoid sexual contact A:
(Answer)
avoid sexual contact

Ques: Q: What structure supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis? Read this paragraph and choose the correct option from the provided answers: The skeleton supports the body, protects internal organs, produces blood cells, and maintains mineral homeostasis. Choices: - fossil - skin - cuticle - skeleton A:
Ans: skeleton

(Q).
Q: What are tiny, hair like projections? Read this paragraph and choose the correct option from the provided answers: Many mucous membranes are also covered with cilia. These are tiny, hair-like projections. Cilia move in waves and sweep mucus and trapped pathogens toward body openings. You can see this in the diagram in Figure below . When you clear your throat or blow your nose, you remove mucus and pathogens from your body. Choices: - fuzz - spinicles - actin - cilia A:
(A).
cilia

Ques:Q: Producing light without a high temperature is called? Read this paragraph and choose the correct option from the provided answers: Producing light without a high temperature is called luminescence. Types of luminescence include fluorescence, electroluminescence, and bioluminescence. Choices: - plasma - fluorescence - effervescence - luminescence A:

Ans:luminescence

Ques:Q: What supports life, and is also needed for the water cycle and weather? Read this paragraph and choose the correct option from the provided answers: We are lucky to have an atmosphere on Earth. The atmosphere supports life, and is also needed for the water cycle and weather. The gases of the atmosphere even allow us to hear. Choices: - fossil fuels - oxygen - greenhouse gas - atmosphere A:

Ans:
atmosphere