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7 questions
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- Q1
Students jump rope for one minute to determine changes in heart rate and breathing rate. Their data are shown in the table.
Which table explains the functions of the two body systems that the students investigated?
30s8.2e - Q2Which table best shows some functions of the circulatory, respiratory, digestive, and endocrine systems?#texas/71bf38fa-3386-4a42-b30c-f20d6e1f4465/C.png#texas/71bf38fa-3386-4a42-b30c-f20d6e1f4465/D.png#texas/71bf38fa-3386-4a42-b30c-f20d6e1f4465/A.png30s
- Q3Many processes occur in the digestive system. Which process is best classified as a physical change?Teeth grinding an almond into smaller pieces in the mouthBacteria converting lactose into simple sugars in the intestinesDigestive enzymes breaking down proteins into smaller fragmentsSaliva converting the starch molecules in crackers into simple sugars30s
- Q4Part of a human body system is pictured. The main function of this system is to —control reproductionremove wastetransport oxygenproduce hormones30s
- Q5This drawing shows a human body system. What is the primary function of this body system?The production of hormones that regulate growth and metabolismThe chemical breakdown of food into smaller piecesThe transport of nutrients, water, and oxygen to body cellsThe protection of vital organs from injury30s
- Q6What are the main functions of the human skeletal system?To regulate the composition of body fluids by removing metabolic wastes and retaining a balance of water, salt, and other nutrientsTo support the body, protect the organs, produce blood cells, and store calciumTo regulate and maintain bodily functions by producing hormones and releasing them into the bloodstreamTo enable the diffusion of oxygen into the bloodstream and the removal of carbon dioxide from the bloodstream30s
- Q7
Which two body systems are primarily responsible for locomotion?
Respiratory system and digestive system
Nervous system and circulatory system
Skeletal system and muscular system
Integumentary system and excretory system
30s

