Answer:
c
Explanation:
Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves. This can kill, damage, or change the cells and make you sick. Different viruses attack certain cells in your body such as your liver, respiratory system, or blood.
Answer:
Protein digestion begins when you first start chewing. There are two enzymes in your saliva called amylase and lipase. They mostly break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids.
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The firsy one does both oxygenated and deoxygenated blood use the umbilical artery
Answer:
teachers teachings n my brain b like
Explanation:
The whales tail which is called fluke are used for swimming and also used when they stick their tail out of the water into the air, swing it around, and the slap it on the water's surface.
