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Ninth Grade (Grade 9) Anatomy and Physiology Questions

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Grade 9 Skin, Skeleton, and Muscles
The three primary types of muscle fiber present in the human body are                                 .
  1. smooth, cardiac, and digestive
  2. cardiac, respiratory, and smooth
  3. skeletal, smooth, and cardiac
  4. skeletal, cardiac, and digestive
Grade 9 Anatomical Organization
A group of tissues is a(n)                .
  1. cell
  2. organelle
  3. organ
  4. system
Grade 9 Human Reproduction
The overall physical changes that occur in male and female bodies during puberty are called                              .
  1. adolescent syndrome
  2. premenstrual syndrome
  3. estrogen and testosterone
  4. secondary sex characteristics
Grade 9 Skin, Skeleton, and Muscles
What does the skeletal system provide?
  1. a sturdy fiber to connect different parts of the body
  2. support, provides protection to vital organs, works in conjunction with muscles to allow for movement, and makes blood cells
  3. a muscle relaxant
  4. a mechanism for stopping the body from harmful actions
Grade 9 Human Reproduction
When does conception, or fertilization, occur?
  1. An egg matures in a female's ovary.
  2. All 23 pairs of chromosomes are present.
  3. A dominant gene overrides a recessive gene.
  4. Sperm from a male unites with an egg from a female.
Grade 9 Skin, Skeleton, and Muscles
Another name for collarbone is
  1. clavicle.
  2. cochlear.
  3. cartilage.
  4. compact bone.
Grade 9 Human Reproduction
A zygote is a                             .
  1. two-celled embryo
  2. solid ball of about 50 cells
  3. blastocyst
  4. fertilized egg
Grade 9 Nervous and Endocrine Systems
Which chemical substances assist in regulating many functions in the human body?
  1. antigens
  2. monophils
  3. acetylcholine
  4. hormones
Grade 9 Anatomical Organization
Which term refers to a collection of organs that accomplishes a common goal or function?
  1. tissue
  2. organ system
  3. organism
  4. cells
Grade 9 Human Reproduction
What gland controls the start (onset) of puberty?
  1. adrenal
  2. pituitary
  3. salivary
  4. thyroid
Grade 9 Respiration, Digestion, and Excretion
The intestines are the organs primarily responsible for
  1. absorption.
  2. digestion.
  3. elimination.
  4. ingestion.
Grade 9 Circulatory and Immune Systems
The tubes that carry blood back to the heart are                .
  1. aortas
  2. arteries
  3. capillaries
  4. veins
Grade 9 Nervous and Endocrine Systems
The                   assists the body in responding to stressful situations.
  1. pituitary gland
  2. adrenal gland
  3. parathyroid gland
  4. pancreas
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