There are three types of levers, type i, II and III. Which of the lever systems allows muscles to attach and cross joints? Group of answer choices III II I All of the answers are correct
Added by Alfredo P.
Step 1
Levers are simple machines that consist of a beam or rigid rod pivoted at a fixed hinge, known as the fulcrum. There are three classes of levers: - Type I: The fulcrum is located between the effort and the load. - Type II: The load is located between the fulcrum Show more…
Show all steps
Your feedback will help us improve your experience
Qudsiya Anis and 58 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
97. Match the two columns and select the correct option from the codes given below. $\begin{array}{ll}\text { Types of } & \text { Bones }\end{array}$ synovial joint involved A. Ball and socket (i) Carpal and metacarpal of thumb B. Hinge (ii) Atlas and axis C. Pivot (iii) Frontal and parietal D. Saddle (iv) Knee (v) Humerus and pectoral girdle (a) $A-(v), B-(i v), C-(i i), D-(i)$ (b) $A-(1), B-(i i), C-(i v), D-(v)$ (c) $A-(v), B-(i v), C-(i i), D-(i)$ (d) $A-(i), B-(i i), C-(v), D-(i v)$
Which of the following statements about the mechanism of muscle contraction are correct? (i) Acetylcholine is released when the neural signal reaches the motor end plate. (ii) Muscle contraction is initiated by a signal sent by CNS via a sensory neuron. (iii) During muscle contraction, isotropic band gets elongated. (iv) Repeated activation of the muscles can lead to lactic acid accumulation. (a) (i) and (iv) (b) (i) and (iii) (c) (ii) and (iii) (d) (i), (ii) and (iii)
What class of lever system do the following activities describe? (a) The soleus muscle plantar flexes the foot. (b) The triceps brachii is strained while doing pushups.
Madhur L.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD