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Science Plzz Help

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1. Which of the following effects would you expect if red blood cells were shaped like neurons?
A. They would not be able to move as easily through capillaries.*****
B. They would more easily carry out gas exchange in the alveoli.
C. They would not need to be transported through the body.
D. They would become more effective at picking up urea discarded by body cells.

2. Which of the following is not a function of the skeletal system?
A. supports the body
B. works with other body systems to allow movement
C. manufactures new blood cells
D. sends signals to the brain***

3. Which of the following body systems are involved in the first line of defense of the immune system against infection?
A. integumentary, digestive, respiratory
B. nervous, circulatory, skeletal
C. muscular, endocrine, urinary
D. urinary, skeletal, integumentary

Im not sure about #3

  • Science Plzz Help -

    I would go with D.

  • Science Plzz Help -

    I need numbers 1,2,&3.

  • Science Plzz Help -

    A
    D
    A
    C
    B
    D
    C
    B
    A
    B
    100%

  • Science Plzz Help -

    Hi all the answers are correct but #9 is actually C not A.

  • Science Plzz Help -

    mandymath is correct

  • Science Plzz Help -

    A
    D
    A
    C
    B
    D
    C
    B
    c
    B
    100%
    welcomeeeeeee

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