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The process that moves nutrients into the blood or lymph is

A. digestion

B. ingestion

C. elimination

D. absorption

Answer Explanation:

Digestion is the breakdown of large insoluble food molecules into small water-soluble food molecules so that they can be absorbed into the watery blood plasma.

Ingestion is the process of taking food, drink, or another substance into the body by swallowing or absorbing it.

Elimination refers to the removal of indigestible wastes through the anus, in the form of feaces.

Therefore, the Correct Answer is D.

More Questions on TEAS 7 Science

  • Q #1: Building blocks of proteins Which of the following organic molecules contain both an amine and carboxyl group?

    A. Lipids

    B. Proteins

    C. Cellulose

    D. Chitin

    Answer Explanation

    The basic building block of the protein is ammonia, which comprises of ammino group -NH2 and a carboxyl group, -COOH.

  • Q #2: Which of the following processes does atmospheric pressure play a role in?

    A. Pulmonary Ventilation

    B. Photosynthesis

    C. Osmosis

    D. Evaporation

    Answer Explanation

    Among the choices provided, only one process is directly influenced by atmospheric pressure:

    Pulmonary Ventilation (Correct): Pulmonary ventilation, also known as breathing, is driven by pressure differences between the lungs and the atmosphere. Atmospheric pressure plays a pivotal role in this process by facilitating the movement of air into and out of the lungs.

    The other options mentioned in the choices—Photosynthesis, Osmosis, and Evaporation—are not primarily influenced by atmospheric pressure. While atmospheric pressure can indirectly affect certain aspects of these processes, it is not a dominant factor in their mechanisms.

  • Q #3: In a certain plant, red flowers are dominant over white flowers. A plant heterozygous for red flowers and a plant with white flowers are crossed. Which of the following is the expected proportion of phenotypes in the next generation?

    A. 3 red, 1 white

    B. 1 white, 3 red

    C. 2 red, 2 white

    D. 4 white

    Answer Explanation

    2 red, 2 white.

    In this cross, the plant heterozygous for red flowers has the genotype Rr (where R represents the dominant red allele and r represents the recessive white allele), while the plant with white flowers has the genotype rr.

    The possible offspring from this cross would have the genotypes Rr (red), Rr (red), rr (white), and rr (white), resulting in a 1:1 ratio of red to white flowers.