What is the process called when nutrients are taken up in the intestines?

What is the process called when nutrients are taken up in the intestines?

• A. Absorption
• B. Adipose tissue
• C. Aerobic metabolism
• D. Angina pectoris

Answer: (A)

The process being described is absorption. After digestion breaks nutrients down into small, usable forms, absorption is how these molecules cross the lining of the small intestine into the bloodstream or lymphatic system so the body can use them for energy, growth, and repair. This step occurs mainly in the small intestine, with the lining’s villi and microvilli increasing surface area to help uptake. The other terms refer to different concepts: adipose tissue is fat storage; aerobic metabolism is how cells produce energy with oxygen; angina pectoris is chest pain from heart blood flow issues. So absorption is the term that best fits taking up nutrients in the intestines.

The process being described is absorption. After digestion breaks nutrients down into small, usable forms, absorption is how these molecules cross the lining of the small intestine into the bloodstream or lymphatic system so the body can use them for energy, growth, and repair. This step occurs mainly in the small intestine, with the lining’s villi and microvilli increasing surface area to help uptake. The other terms refer to different concepts: adipose tissue is fat storage; aerobic metabolism is how cells produce energy with oxygen; angina pectoris is chest pain from heart blood flow issues. So absorption is the term that best fits taking up nutrients in the intestines.