EXPERT HELP I'LL GIVE BRAINLIEST: Which statement describes two organ systems working together to make an animal run away from danger?
A. The endocrine system releases hormones that cause bones in the
arms and legs to grow longer.
B. The immune system produces antibodies when white blood cells
detect pathogens.
C. The nervous system sends signals that cause the adrenal glands
to release hormones.
D. The heart beats faster when the nervous system senses a high
Level of carbon dioxide in the blood.
Answers: 1
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Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant
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What is a photon? a. part of a ribosome b. a light particle c. a carbon dioxide molecule d. part of a chloroplast b.a light particle
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Biology, 22.06.2019 11:30
What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.
Answers: 1
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