Anatomy Questions
Explore questions in the Anatomy category that you can ask Spark.E!
A muscle __________ is a sustained, painful, involuntary muscle contraction.
A maximal contraction of approximately __________ is all that can be supported by the creatine phosphate available in a muscle cell.A. 10 secondsB. 30 secondsC. 60 secondsD. 90 seconds
The enzyme __________ is located on the sarcolemma of the motor end plate and in the synaptic cleft.
Describe the calcium needed for skeletal muscle contraction. A. it is transported into the cell from the extracellular fluid. B. it is stored in the sarcoplasmic reticulumC. it is stored in the sarcoplasm. D. it is stored bound to troponin when the cell is relaxed.
granulose cells are like ________ cells in males
What hormones are needed during follicular phase of ovarian cycle?
Before puberty, can the gonads produce sex steroids?
Every menstrual cycle, gonadotropins and estrogen leads to the growth of
thecal cells are like ______ cells in males
which two of the following substances are neurotransmitters that can affect smooth muscle function?A. calmodulinB. norepinephrineC. myoglobinD. Acetylcholine
During the follicular phase of ovarian cycle, FSH and estrogen stimulate
Which hormones is used more for the development of internal male reproductive organs?
does female development require hormones?
the testes are inactive after birth until
The layer of connective tissue that most closely surrounds an entire skeletal muscle is called the.
What are required to get estrogen from the follicle?
Sertoli cells can have a negative feedback loop with
The heads of the myosin molecules form______ when calcium levels in the sarcoplasm are elevated.A. calcium binding sitesB. Z linesC. Cross-Bridges
what phase includes these events? (1) myosin releases thin filaments. (2) muscle tension declines. (3) cytoplasmic calcium levels fall.A. excitation-contraction couplingB. excitationC. contractionD. relaxation
Dense connective tissue cords that anchor muscles to bone are called_______.